Valuation convertible bond. You purchased one of Big Corp.s 8%, 10-year convertible bonds at its $1,000 par value a year ago when the companys common stock was selling for $20. Similar bonds without a conversion feature returned 12% at the time. The bond is convertible into stock at a price of $30. The stock is now selling for $35. Assume no dividends. a) You exercise the conversion feature today and immediately sold the stock you received. Calculate the total return on your investment. b) What would your return have been if you had invested $1,000 in Bigs stock instead of the bond?