Journal entries for trading investments Gruden Bancorp Inc. purchased a portfolio of trading securities during $20$Y$3,$ its first year of operations. The cost and fair value of this portfolio on December $31,20$Y$3,$ are as follows: Issuing Company Cost Fair Value Griffin Inc. $$14,070$ $$13,230$ Luck Company $26,24024,400$ Wilson Company $6,0006,120$ Total $$46,310$ $$43,750$ On May $10,20$Y$4,$ Gruden Bancorp Inc. purchased trading securities of Carroll Inc. for $$16,580.$ Journalize the entries to record the following: If an amount box does not require an entry, leave it blank. Question Content Area a$.$ The adjusting entry for the portfolio of trading securities on December $31,20$Y$3.20$Y$3,$ Dec. $31$ Question Content Area b$.$ The May $10,20$Y$4,$ purchase of Carroll Inc. securities$.20$Y$4,$ May $10$ Question Content Area c$.$ The adjusting entry for the portfolio of trading securities on December $31,20$Y$4.$ Assume that except for the purchase of Carroll Inc. securities there were no other transactions involving trading securities in $20$Y$4.$ In addition, assume that the fair value of the portfolio of trading securities on December $31,20$Y$4,$ is $$75,910.20$Y$4,$ Dec. $31$ Question Content Area d$.$ What amount should be reported for trading investments on the December $31,20$Y$4,$ balance sheet? $fill in the blank $1$d$31$fcfe$3$f$8904$b$\_1$