On January 1, 2014, Gottlieb Corporation issued $3,460,000 of 10-year, 9% convertible debentures at 103. Interest is to be paid semiannually on June 30 and December 31. Each $1,000 debenture can be converted into 8 shares of Gottlieb Corporation $102 par value common stock after December 31, 2015.

On January 1, 2016, $346,000 of debentures are converted into common stock, which is then selling at $114. An additional $346,000 of debentures are converted on March 31, 2016. The market price of the common stock is then $119. Accrued interest at March 31 will be paid on the next interest date.

Bond premium is amortized on a straight-line basis.

Make the necessary journal entries for:

(a) December 31, 2015.

(b) January 1, 2016.

(c) March 31, 2016.

(d) June 30, 2016.

Record the conversions using the book value method.