Depreciation by units-of-activity Method Prior to adjustment at the end of the year, the balance in Trucks is $416,400 and the balance in Accumulated DepreciationTrucks is $123,980. Details of the subsidiary ledger are as follows: Truck No. Cost Estimated Residual Value Estimated Useful Life Accumulated Depreciation at Beginning of Year Miles Operated During Year 1 $83,000 $12,450 200,000 miles 30,000 miles 2 115,400 13,848 410,000 $23,080 41,000 3 95,500 13,370 206,000 $76,400 20,600 4 122,500 14,700 410,000 $24,500 49,200 a. Determine for each truck the depreciation rate per mile and the amount to be credited to the accumulated depreciation section of each subsidiary account for the miles operated during the current year. Keep in mind that the depreciation taken cannot reduce the book value of the truck below its residual value. Round the rate per mile to two decimal places. Enter all values as positive amounts. Truck No. Rate per Mile (in cents) Miles Operated Credit to Accumulated Depreciation 1 $ 0.35 30,000 $ 10,500 2 $ 0.24 41,000 $ 9,840 3 $ 20,600 $ 4 $ 49,200 $ Total $ Feedback b. Journalize the entry to record depreciation for the year. Depreciation Expense-Trucks Accumulated Depreciation-Trucks