Planet corporation acquired 90 percent of saturn company’s voting shares of stock in 20x1. during 20x4, planet purchased 40,000 playday doghouses for $24 each and sold 25,000 of them to saturn for $30 each. saturn sold 18,000 of the doghouses to retail establishments prior to december 31, 20x4, for $45 each. both companies use perpetual inventory systems.

Qwest airlines has implemented a program to recycle all plastic drink cups used on their aircraft. their goal is to generate $7 million by the end of the recycle program's five-year life. each recycled cup can be sold for $0.005 (1/2 cent). a. how many cups must be recycled annually to meet this goal? assume uniform annual plastic cup usage and a 0% interest rate. b. repeat part (a) when the annual interest rate is 12%. c. why is the answer to part (b) less than the answer to part (a)?