Coal Co. issued $1,000 par value bonds with a 7% coupon rate, convertible into 10 shares of its common stock. If the market price of the bond is $1,120 and the stock is now at $85 per share and pays a $1.00 per share annual dividend. What is this bonds payback period? Group of answer choices 3.4 years 4.5 years 5.4 years 2.9 years