5. You have the following price for a stock for several recent years. Assume that the stock Beginning of year price # shares bought Year 2005 S50 2006 $55 2007 $51 2008 S54 or sold 100 bought 50 bought 75 sold 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