Waterway Company purchased an electric wax melter on April 30, 2014, by trading in its old gas model and paying the balance in cash. The following data relate to the purchase. List price of new melter $21,800 Cash paid 13,800 Cost of old melter (5-year life, $1,100 salvage value) 15,500 Accumulated Depreciation-old melter (straight-line) 8,700 Secondhand fair value of old melter 7,200.

Prepare the journal entries necessary to record this exchange, assuming that the exchange a) has commercial substance, and b) lacks commercial substance. Waterways fiscal year ends on December 31, and depreciation has been recorded through December 31,2024.