The depreciation method often used for income tax purposes is the: double - declining balance method. Straight - line method. Expense method. Units - of - production method. It is determined that a computer's depreciation expense for the year is $3,500. The journal entry to record this will be: A company has installed a piece of machinery for a total of $76,000. In its third month of operation, repairs of $1,300 had to be made on the machine. This $1,300 would be