Q1) Objective Problem (20 points) Consider a supply chain consisting of a part supplier, a manufacturer (mfr.), the retailer, and the customer. Suppose the customer's reservation price of the machine is $200. The retail price is $150. The wholesale price between the mfr. and the retailer is $100. The retailer's other retail-related cost is $20. The mfr. produces the product at $30 as the production cost and pays the supplier $20 to buy the parts needed. The supplier's production cost is $10. Q1. Please calculate each supply chain member's profit/surplus, and the supply chain surplus. Q2. What is the relationship between the supply chain surplus and all members' profit/surplus