Consider the supply chain for a perishable product with one supplier and one retailer shown in the graph below. Production Cost Wholesale Price Retail Price Supplier Retailer Supplier produces each item at the production cost, and sells it to the retailer at the wholesale price. The retailer then sells to customers at the retailer price. Supplier refunds retailer at the wholesale price for any unsold item. The profits in terms of the production quantity are shown below: Profits Supply Chain Profit Supplier's Profit Retailer's Profit B C Quantity Accordingly, which ones of the following are correct? (select all that apply) Producing A many items is optimal for the retailer Producing C many items is optimal for the supply chain Producing A many items is optimal for the supplier Retailer benefits more if supplier produces B many items rather than A. Retailer can convince supplier to produce more via a pay-back contract