Answer:
Journal entries to record the 2023 amortization expense for intangible assets.
Date Accounts Titles and Explanation Debit Credit
Dec 31 Amortization Expense—Patents $14,180
($71,800*1/10 + $45,000 * 1/9
+ $40,000*1/10*6/12)
Patents $14,180
(To record amortization of patents)
Dec 31 Amortization Expense - Copyrights $6,335
($50,500*1/10 + $257,000*1/50*3/12)
Copyright $6,335
(To record amortization of copyrights)