Better mousetraps has come out with an improved product, and the world is beating a path to its door. as a result, the firm projects growth of 20% per year for 4 years. by then, other firms will have copycat technology, competition will drive down profit margins, and the sustainable growth rate will fall to 5%. the most recent annual dividend was div0 = $1 per share. what are the expected values of div1 div2 div3 and div4?