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Cost Modeling in Lean Manufacturing. How Does it Work?

Cost modeling/displaying alludes to making budgetary models expecting usable expenses and directing choices. It uses measurements like factual investigation, operational look, and budgetary displaying to anticipate costs.

The point is giving associations information for productive yet focused valuing, assessing new musings or extending viability, distinguishing cost-sparing open doors, and long haul arranging.

Generally speaking, cost shows upgrade comprehension regarding benefit impetuses and expense elements, empowering shrewd choices when variables change.

Key Highlights

  • Cost demonstrating plans costs to determine valuing and choices.
  • Assists businesses in comprehending benefits and making methodology choices.
  • Incorporates factual, budgetary, and operational investigation displaying costs.
  • Empowers activity-based estimating, ought to-cost demonstrating, and other procedures.
  • Gives information to choose from valuing, assessing imaginative ideas, and boosting activities.
  • Developing procedures, similar to AI and progressed investigation, upgrading demonstrating.

What is Cost Modeling?

Cost demonstrating alludes to creating arithmetical models assessing, anticipating, and reproducing utilization-related expenses. It totals straight and circular costs, distinguishing valuing, benefits, and asset portioning.

Image: Cost Modeling

It makes quantitative portrayals of expense parts and drivers. Models expectation altogether related information from crude materials to overhead and transportation expenses.

Normal strategies include movement-based costing, relapse investigation, Monte Carlo reenactments, and parametric displaying removing from past information, measurements, and calculations.

Objectives incorporate choosing perfect valuing, recognizing cost sparing, appraising new items, and asset distribution. Overall it helps basic leadership amplify edges. Advancement through AI and programmed learning just as coordinated efforts keep on improving displaying.

Benefits of Cost Modeling

Cost modeling provides several key benefits that can help businesses make more informed, data-driven decisions. Some of the main benefits include:

Set Profitable Pricing

One of the most valuable applications of cost modeling is determining optimal pricing for products and services.

By understanding the true costs involved with production, labor, materials, shipping, etc., businesses can analyze how costs relate to price points and potential profit margins. More accurate cost models allow organizations to set prices that cover expenses and also deliver the desired profitability.

Evaluate Innovation Opportunities with Cost Modeling

Cost modeling enables companies to experiment with “what-if” scenarios and predict the costs of potential changes or innovations.

For example, manufacturers might evaluate the cost impact of switching to different materials, adding automation, moving to a larger facility, or altering packaging. Companies can model various scenarios to quantify costs and measure potential trade-offs. This allows organizations to pursue innovation opportunities armed with data.

Identify Cost Savings

In addition to driving pricing and enabling innovation analysis, cost modeling also helps identify opportunities for cost reduction and process improvements.

By thoroughly mapping out cost components and cost drivers, inefficiencies become visible and companies can pinpoint areas to target. The modeling techniques expose unnecessary costs to trim and highlight processes to optimize through lean initiatives or automation. In this way, accurate cost models directly lead to cost savings over time.

The careful examination and quantification of costs through modeling delivers actionable data points for organizations.

Whether setting prices, pursuing innovations, or cutting costs, reliable models give leadership the insights needed to make decisions that ultimately drive profitability. Cost modeling transforms guesses into facts.

Importance of Understanding Cost Models

Businesses need to have a strong comprehension of different cost modeling techniques like activity-based costing, regression analysis, statistical modeling, etc.

By understanding the nuances of various approaches, companies can select the ones that will yield the most accurate and actionable insights for their specific needs.

For example, activity-based costing may work well for manufacturing firms while regression analysis fits companies with lots of historical data.  

Informs long-term strategy

A deep understanding of cost models allows businesses to make better long-term strategic decisions related to pricing, product mix optimization, market-entry, resource allocation, and more.

By modeling different what-if scenarios, teams can predict the impact of potential strategic moves on profitability and costs. These simulations and forecasts empower companies to align on tactics that maximize margins over multi-year periods.

Answer Customer Questions using Cost Modeling

Sales and account management teams often get peppered with cost-related questions from prospects and customers during negotiations.

Questions like “How did you arrive at this price point?” or “Where are you seeing cost efficiencies in your supply chain?” are common.

When staff have a solid grasp of the underlying cost models, they can confidently answer these inquiries, back up claims with data, and close more deals.

Cost Model Example

A good example of applying cost modeling is a website design company looking to set prices for their services. The company needs to understand all the costs that go into delivering its website design and development services. 

Key costs for the website design company include:

  • Development Costs: The labor time and resources needed for activities like planning, design, content creation, programming, testing, troubleshooting, and launch. Things like developer salaries and software licenses are included here.
  • Maintenance Costs: The ongoing costs to keep websites updated, secure, backed up, and running smoothly. Things like web hosting fees, security services, site monitoring tools, and developer time for enhancements.
  • Marketing Costs: The costs associated with getting the word out about the company’s services and acquiring new business. This includes advertising costs, trade show fees, sales team salaries, lead generation tools, and so on. 

By quantifying these cost elements and understanding their drivers, the company can then determine pricing levels that cover expenses and deliver a profit.

The model allows them to estimate the profitability of a project based on the number of pages, custom features, expected re-design frequency, etc. As they take on new types of projects, the underlying cost structure helps inform pricing decisions.

Periodic reviews of the model compared to actual costs also allow for calibration and help identify areas for process improvements or cost savings. This supports pricing optimization and improves overall profitability.

Best Practices for Cost Modeling

Developing an accurate and useful cost model takes careful planning and following best practices. Some key best practices to keep in mind:

Break Down into Layers

Cost models should be broken down into different layers representing major expense categories. Common layers include:

  • Direct material costs
  • Direct labor costs
  • Manufacturing overhead costs
  • Operating costs
  • Selling, general, and administrative (SG&A) expenses
  • Capital expenditures 

Breaking the model down this way allows you to see where costs are being incurred and identify opportunities for reductions.

Quantify All Inputs using Cost Modeling

Every input that contributes to total costs should be specifically quantified in the model. This includes both variable and fixed costs. Avoid relying on assumptions or guesses.

Sources for quantifying inputs can include historical data, industry benchmarks, supplier quotes, etc. Document all sources and assumptions to allow for future updates.

Consider Cost Drivers

Understand what factors drive costs in the business. These might include things like units produced, miles driven, customers served, etc.

Incorporate major cost drivers into the model calculations to dynamically update outputs when inputs change. This makes the model more flexible and useful for scenarios.

The Future of Cost Models

Cost modeling techniques and approaches continue to advance over time. As technology progresses and more data becomes available, cost models are leveraging these innovations to provide even greater value.

Advanced Emerging Techniques

New cost modeling techniques are constantly emerging that build on previous methods. Some examples include:

  • Machine learning cost models that leverage AI and advanced algorithms to uncover complex cost relationships and make accurate predictions. These data-driven models can process many variables and large datasets to uncover key cost drivers.
  • Real-time cost modeling using IoT sensor data and cloud analytics to model costs as they are incurred. This allows for dynamic adjustment of pricing, budgets, etc.
  • Should-cost modeling that sets target costs based on specifications and performance requirements rather than historical data. This technique is forward-looking to model ideal costs.
  • Total cost of ownership (TCO) models that quantify direct and indirect costs over the full lifetime of an asset or product. This provides a comprehensive understanding of cost.

As technology continues to progress, cost models will leverage these advances to become even more sophisticated and precise. New techniques will move beyond traditional statistical methods to more advanced analytics.

Leverage Data Science and Analytics using Cost Modeling

The growth of data and analytics will enable cost models to become more accurate and provide greater insights.

Data science techniques like data mining, predictive analytics, forecasting models and more can be applied to discover cost drivers, predict future costs, identify optimization opportunities, and more.

Cloud computing also enables real-time cost modeling by processing streams of data as its generated.

This allows models to be constantly updated and calibrated rather than relying on periodic analysis. Integrating ERP or accounting systems with analytics tools also improves access to broad, timely data.

Organizations that take advantage of these innovations will have a competitive edge with their understanding and management of costs. Cost modeling will continue to evolve from simple spreadsheets to data-driven strategic tools.

FAQs

Q. What is the best cost model?

There is no one “best” cost model that applies to every situation. The optimal cost model depends on the specific needs and goals of an organization. Some common considerations when choosing a cost model include:

Level of detail needed: Simpler models like direct costing may work well for high-level estimates, while activity-based costing provides more granular insights.
Types of costs to include: Models can incorporate direct costs only or allocate overhead and indirect expenses too.  
Ease of use: Simpler models require less data collection and maintenance. More advanced models like predictive cost modeling leverage automation and algorithms for ease of use.
Accuracy: Models like activity-based costing and regression analysis offer greater accuracy but require more upfront work.
Future looking or retrospective: Models can provide insights based on historical data or projections based on assumptions about future activities.

Q. When to use cost modeling?

Cost modeling is most useful during key business activities and decisions such as:
– Designing, producing, or acquiring new products and services
– Making price setting decisions
– Determining profitability by product line, customer segment, distribution channel etc.  
– Evaluating make vs. buy decisions
– Providing should-cost guidance during procurement
– Identifying opportunities for cost reduction and process improvement initiatives
– Supporting investment decisions for capital expenditures or other major projects

Q. What is a should-cost model?

A should-cost model refers to an estimate of the costs that a vendor or supplier should reasonably incur to produce a product or service.
Buyers develop should-cost models during negotiations or procurement processes as a way to set realistic targets for the pricing and costs of goods and services they look to purchase.
By understanding the supplier’s cost drivers, buyers aim to negotiate fair and competitive pricing that offers win-win value.

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