$9.$ The company has estimated warranty expense to be $2\%$ in the past and made an entry for $$120,000$ in $2023.$ However, the company decided that it should be $2\mathrm{.}1\%$ this year which amounts to $$126,000.$

Instructions

$($a$)$ Assume the trial balance has been prepared but the books HAVE NOT been closed for $2023.$ Assuming all amounts are material, prepare journal entries showing the adjustments that are required. $($Ignore income tax considerations$).$

$($b$)$ Assume the trial balance has been prepared but the books HAVE been closed for $2023.$ Assuming all amounts are material, prepare journal entries showing the adjustments that are required. $($Ignore income tax considerations$).$