Depreciation by Units-of-activity Method Prior to adjustment at the end of the year, the balance in Trucks is $416,000 and the balance in Accumulated Depreciation-Trucks is $125,700, Details of the subsidiary ledger are as follows: Accumulated Miles Estimated Estimated Depreciation Operated Truck Residual Useful at Beginning During No. Cost Value Life of Year Year 1 $81,500 $12,225 240,000 miles 36,000 miles 119,000 14,280 380,000 $23,800 38,000 3 98,000 13,720 213,000 78,400 21,300 4 117,500 14,100 360,000 23,500 43,200 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. Credit to Rate per Mile Miles Accumulated Truck No. (in cents) Operated Depreciation 1 36,000 2 38,000 21,300 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. Credit to Rate per Mile Miles Accumulated Truck No. (in cents) Operated Depreciation 36,000 1 2 38,000 3 21,300 43,200 Total b. Journalize the entry on December 31 to record depreciation for the year. If an amount box does not require an entry, leave it blank