Michelle and patrick are in the 28% marginal tax bracket. they bought 100 shares of djn stock at $45 per share and sold them 4 years later in 2015 at $22 per share? by how much did their loss reduce their taxes in the year when they sold the stock?

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)?