Global Pistons? (GP) has common stock with a market value of $ 430 million and debt with a value of $ 249 million. Investors expect a 13 % return on the stock and a 5 % return on the debt. Assume perfect capital markets. a. Suppose GP issues $ 249 million of new stock to buy back the debt. What is the expected return of the stock after this? transaction, round to two decimal places? b. Suppose instead GP issues $ 55.12 million of new debt to repurchase stock. i. If the risk of the debt does not? change, what is the expected return of the stock after this? transaction? ii. If the risk of the debt? increases, would the expected return of the stock be higher or lower than when debt is issued to repurchase stock in part ?(i?)?