Morgan Corporation had two issues of securities outstanding: common stock and an 8% convertible bond issue in the face amount of $16,000,000. Interest payment dates of the bond issue are June 30th and December 31st. The conversion clause in the bond indenture entitles the bondholders to receive forty shares of $20 par value common stock in exchange for each $1,000 bond. On June 30, 2010, the holders of $2,400,000 face value bonds exercised the conversion privilege. The market price of the bonds on that date was $1,100 per bond and the market price of the common stock was $35. The total unamortized bond discount at the date of conversion was $1,000,000. In applying the book value method, what amount should Morgan credit to the account "paid-in capital in excess of par," as a result of this conversion?

a. $330,000.

b. $160,000.

c. $1,440,000.

d. $720,000.