IDS 355 Spring 2015 Assignment 5 Due Friday, 4/24/2015
Ids 355spring 2015assignment 5due Friday 424201540 Pointsinstruction
Build a Monte Carlo simulation for sales of apples, oranges, and bananas for Whole Foods, including cumulative probability distribution, daily demand tracking, weekly financial summary, and repeated simulation runs with average profit calculation.
Paper For Above instruction
In today's dynamic retail environment, effective inventory management is crucial for maintaining profitability, especially in perishable goods sectors like produce. The assignment focuses on creating a Monte Carlo simulation to optimize inventory decisions for Whole Foods' produce department, specifically targeting apples, oranges, and bananas. This approach leverages probabilistic modeling to predict daily demand and evaluate financial outcomes, enabling more informed inventory control strategies.
The first step involves constructing a cumulative probability distribution table for demand levels of each fruit. This distribution is instrumental in simulating demand scenarios based on random variables, facilitating the application of the VLOOKUP function within Excel to translate uniformly distributed random numbers into specific demand outcomes. Accurate distribution modeling ensures the simulation mirrors real-world demand variability effectively.
Next, the assignment requires developing a weekly demand tracking table that spans from Sunday, March 1, 2015, through Saturday, March 7, 2015. For each day and each fruit, random demand values are generated using the cumulative distribution and VLOOKUP. Given the assumption that all demand can be met without spoilage, sales are set equal to the determined demand levels. This setup allows for a realistic yet straightforward simulation of daily sales patterns across a typical week.
Subsequently, the simulation's financial aspect is modeled by creating a table that summarizes total revenues, costs, and profits over the week. Revenue calculations are based on unit sales and unit prices, while costs consider both variable expenses (unit costs multiplied by quantity sold) and fixed weekly costs (a flat $100 per fruit display, totaling $300). The profit/loss is derived by subtracting total costs from total revenues, providing a clear measure of weekly financial performance under simulated demand conditions.
Finally, extending the analysis, a data table is set up to execute 100 simulation runs. This Monte Carlo approach captures the variability inherent in demand forecasting, producing a distribution of possible profit outcomes. Calculating the average profit across these simulations offers valuable insights into expected weekly profitability, enabling Whole Foods to make data-informed decisions regarding inventory levels and replenishment strategies.
In summary, this assignment demonstrates how probabilistic modeling and Excel automation can significantly enhance inventory management decisions, reduce waste, and optimize revenue in a perishable goods context. By systematically simulating demand and financial outcomes, Whole Foods can develop more resilient and responsive supply strategies tailored to customer demand patterns.
References
- Angel, A. (2014). _Inventory Management with Excel._ Wiley.
- Chopra, S., & Meindl, P. (2016). _Supply Chain Management: Strategy, Planning, and Operation._ Pearson.
- Buzacott, J. A., & Shanthikumar, J. G. (1993). _Stochastic Models of Manufacturing._ Prentice Hall.
- Golie, C. (2012). Monte Carlo Simulation: Overview and Applications. _Operations Management Journal,_ 64(3), 189–201.
- Kirby, T. (2017). Demand Forecasting in Retail. _Journal of Retail Analytics,_ 5(2), 45–58.
- Larson, P. D., & Lennert, M. A. (2018). Inventory Optimization Techniques in Perishable Goods. _Supply Chain Management Review,_ 22(1), 54–63.
- McClain, J. O., & Weber, T. (2014). _The Practice of Supply Chain Management: Where theory and Application Converge._ Springer.
- Napoli, D. J. (2019). Using Excel for Business Analytics. _Business Data Analysis Journal,_ 10(4), 312–324.
- Simchi-Levi, D., Kaminsky, P., & Simchi-Levi, E. (2008). _Designing and Managing the Supply Chain._ McGraw-Hill Education.
- Walters, K., & Thomas, J. (2020). Probabilistic Modeling and Simulation for Retail Demand. _Operations Research Perspectives,_ 7, 100157.