BE$9\mathrm{.}12($LO $3)($Record sale of equipment.$)$ Goo$-$Yeong Limited sold equipment on September $30,2024,$ for $$42,000$ cash. The equipment originally cost $$144,000$ when purchased on January $1,2022.$ It had an estimated residual value of $$4,000$ and a useful life of five years.

Depreciation is recorded annually and was last recorded on December $31,2023,$ the company's year end. Prepare the journal entries to $($a$)$ update depreciation using the straight$-$line method to September $30,2024,$ and $($b$)$ record the sale of the equipment.