Answer :
Answer and Explanation:
a. The switchover from 200% DB to SL should happen from Year 7.
b. Depreciation for Year 9 is $3,759.84
Since, the trade in is for $15,000, the same should be added to the cost of new assets because the new asset has been reduced by the amount of trade-in. Therefore, the value of new asset should be $50,000 + $15,000 = $65,000.