Fair value adjustment for trading investments

On May $10,20$Y$4,$ Gruden Bancorp Inc. purchased trading securities of Carroll Inc. for $$35,500.$

a$.$ Journalize the adjusting entry for the portfolio of trading securities on December $31,20V.$ If an amount box does not require an entry, leave it blank.

$20$ V$3$ Dec. $31$

a$.$ Calculate the difference between cost and fair market value. Unrealized gains increase cost basis. Unrealized losses decrease cost basis.

b$.$ Journalize the May $10,20$Y$4,$ purchase of Carroll Inc. securities$.$ If an amount box does not require an entry, leave it blank.

$20$ Y May $10$

of the portfolio of trading securities on December $31,20V4,$ is $$175,000.$ If an amount box does not require an entry, leave it blank.