On June 30, 2016, Kerr Industries had outstanding $40 million of 8%, convertible bonds that mature on June 30, 2017. Interest is payable each year on June 30 and December 31. The bonds are convertible into 2 million shares of $10 par common stock. At June 30, 2016, the unamortized balance in the discount on bonds payable account was $2 million. On June 30, 2016, half the bonds were converted when Kerr's common stock had a market price of $25 per share. When recording the conversion using the book value method, Kerr should credit paid-in capital – excess of par?