RodgersRodgers Brass Corp. (Upper RR) is a wholesaler that sells musical instruments to retailers. On FebruaryFebruary 1 of the current year, Upper RR contracts with BerryBerry Extravaganza, Inc. (Upper BB) to sell 2 comma 2002,200 trumpets to Upper BB with delivery scheduled for the month of FebruaryFebruary. The contract price is $ 1 comma 100$1,100 per trumpet. However, the contract includes the possibility of a volume discount if total annual purchases exceed a given amount. These discounts are as follows: