Please help.

Assume that Almond Milk Company has a $1,000 face value bond with a stated coupon rate of 7.31 percent that is convertible into its common stock at $35.75. The bond is selling at $1,098.14 in the market. The common stock is selling for $33.01 and pays a dividend of 1.34 per share. Calculate the payback premium period.

My teacher got 7.29 as the right answer, but I don't know how she got there