Jeff went shopping last monday and almost bought an item for $50. he decided against making the purchase because he did not like the trade-offs. what kept jeff from making the purchase? the item was too expensive. he knew the purchase would prevent him from using the money in better ways. he did not have $50 with him at the time. the item was not made in an environmentally friendly way and was not a fair-trade item.

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)?