Need help with this excel-based problem

41. 13.5 Given the information in Exhibit 13.13 for Rockland, Inc., use the Total Supply Chain Cost Excel template to compute the costs associated with the supply chain. The order quantity is 20,000 units, and the supply chain operates 250 days a year. What if the supplier asks you to increase your order quantity to Q = 50,000 for a price discount of two percent, would you accept the new deal? Explain. Exhibit 13.13. Supply Chain Data for Rockland, Inc. Transport Cost per Cost to Store One Annual Demand (D) Price per Unit (P) Oversight Cost per Unit (Ct) Order Cost (Co) Unit One Year Oder Lead Time in Unit (O) (Ch) Days (L) 250,000 $6.41 $0.35 $3.27 $200 $8.20 20