a) An investment costs $3,500 today. This investment is expected to produce annual cash flows of $1,200, $1,400, $1,300 and $1,100, respectively, over the next four years. What is the internal rate of return on this investment?

b)Lauren purchased a stock for $28 a share and sold it six months later for $31. While she owned the stock, Lauren received two quarterly dividends of $0.35 per share. Brittany's holding period return on this stock is

c) Ashley purchased a stock at a price of $27 a share. She received quarterly dividends of $0.75 per share. After one year, Ashley sold the stock at a price of $29.25 a share. What is her percentage holding period return on this investment?