Construct an influence diagram for profit in the single-period purchase decision (News vendor Model Note) discussed in this chapter. Use Excels Formula Auditing capability to demonstrate the relationship between the spreadsheet model and the influence diagram.

Newsvendor Model Data Selling price $ Cost $ Discount price $ 18.00 12.00 9.00 Model Demand Purchase Quantity 41 44 Quantity Sold Surplus Quantity 41 3 Profit $ 237.00