Exercise 10-18 rchased an electric wax melter on April 30, 2017, by trading in i s old gas model and paying the balance in cash. The following data relate to the purchase Windsor Company List price of new melter $22,120 14,000 Cash paid 15,680 Cost of old melter (5-year life, $980 salvage value) Accumulated Depreciation-old melter (straight-line) 8,820 Secondhand fair value of old melter 7,280 Windsor's pare a n an as he8 Ed through Docembor 31 3016 t titles are automatically indented uhan saount is entered, Do not d .If no entry is required, select "No Entry" for the account titles and enter 0 for the amounts.) No. Account Titles and Explanation Debit Credit (a) Exchange has commercial substance: (To record current depreciation.) (To record exchange of the equipment.) (To record exchange of the equipment.) (b) Exchange lacks commercial substance: (To record current depreciation.) (To record exchange of the equipment.)