can you please show me how to do 2 and 3

life) firm's Everything else equal, if the dividends that are expected to be paid in the future increase, the value of a stock also increases PROBLEMS One year ago, James Sirlank bought Dell Computer common stock for $20 per share. Today the stock is selling for $19 per share. During the year, James received four dividend payments, each in the amount of $0.20 per share. (a) What rate of return did James earn during the year? (b) What were the (1) dividend yield and (2) the capital gains yield associated with the stock for the year? -1 2 Last year, Julie Johnson bought one share of com- mon stock for $950. During the year, Julie received a $47.50 dividend. Earlier today, she sold the stock for $988. (a) What rate of return did Julie earn on her investment? (b) What were the (1) dividend yield and (2) the capital gains yield associated with holding the stock? -3 Express Surgery Center's (ESC) preferred stock, which has a par value equal to $110 per share, pays an annual dividend equal to 9 percent of the par value. If investors require a 15 percent return to market value? 4 The Ape Copy Company's preferred stock pays an annual dividend equal to $16.50. If investors demand