Henry Inc. purchased $$5,000$ of Container Corporation$$s $5\%$ bonds at par. The purchase was made on January $1,$ and the investment was classified as a trading security. On June $30,$ Henry Inc. received semiannual interest of $$125.$ On that date, the bond was adjusted to its fair value of $$4,800.$ Then, Henry Inc. sold its holdings of Container Corporation bonds on July $2$ for $$4,800.$

a$.$ Record the sale of the debt investment.

b$.$ Adjust the Fair Value Adjustment account on December $31,$ the company$$s year$-$end.