please use pen and paper, not excel

F Year 11. You have the following price for a stock for several recent years. Assume that the stock Beginning of #shares bought year price or sold 2005 $50 100 bought 2006 S 50 bought 2007 $51 75 sold 2008 75 sold a. What is the holding period return for each year? b. What is the geometric average return for the period? C. What is the dollar weighted return for the time period