please do all parts !

A7 X fox B A You purchase stock for $50 and the sell the stock for $70 after three years. A). What is the annual return on your investment if you bought the stock in a cash account? B.) What is the Annual return of your invesment if you bought the stock on margin and the margin requirement was 60% C.) If the stock paid a $1 annual dividend, prove that the annual return was not 10% if you bought the stock in a cash 1 account. 2 3 Purchase Price IM 4 Sell Price 5 Margin Requirement 6 Divivdend 7 DA 8 $ 50.00 $ 70.00 60% $1