J&T Investments buys and sells securities expecting to earn profits on short$-$term differences in price. Assume that on December $27,2027,$ J&T purchased PepsiCo bonds at par for $$815,000$ and sold the bonds on January $3,2028,$ for $$860,000.$ At December $31,2027,$ the bonds had a fair value of $$795,000.$ Prepare journal entries to record:

$($a$)$ any unrealized gains or losses occurring in $2027$:

$($b$)$ the sale of the bonds in $2028.(1)$ Adjust FV as of date of sale