Jan. $1$ Purchased a small company and recorded goodwill of $$234,000.$ Its useful life is indefinite.

April $1$ Purchased for $$145,000$ a patent with an estimated useful life of $5$ years and a legal life of $20$ years.

$($a$)$

Prepare necessary adjusting entries at December $31$ to record amortization required by the events above. $($Credit account titles are automatically indented when the amount is entered. Do not indent manually. List all debit entries before credit entries. If no entry is required, select $"$No Entry" for the account titles and enter O for the amounts.$)$

$\backslash$table$[[$Date$,$Account Titles and Explanation,Debit,Credit$],[$Dec$.31,,,],[,($To record amortization expense f$,,],[$Dec$.3,,,]]$