Onslow Company purchased a used machine for $$144,000$ cash on January $2.$ On January $3,$ Onslow paid $$6,000$ to wire electricity to the machine. Onslow paid an additional $$1,200$ on January $4$ to secure the machine for operation. The machine will be used for six years and have a $$17,280$ salvage value. Straight$-$line depreciation is used. On December $31,$ at the end of its fifth year in operations, it is disposed of$.$

$3.$ Prepare journal entries to record the machine$$s disposal under each separate situation: $($a$)$ it is sold for $$20,500$ cash and $($b$)$ it is sold for $$82,000$ cash.