Depreciation by units-of-activity Method Prior to adjustment at the end of the year, the balance in Trucks is $394,400 and the balance in Accumulated Depreciation --Trucks is $118,760. Details of the subsidiary ledger are as follows: Estimated Residual Value Accumulated Depreciation at Beginning of Year Estimated Useful Life Truck No. Miles Operated During Year Cost 240,000 miles 36,000 miles $80,000 111,800 $12,000 13,416 $22.360 $74,400 93,000 110,000 310,000 214,000 360,000 13.020 13,200 31,000 21,400 43,200 $22,000 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. Credit to Rate per Mile Miles Accumulated Truck No. (in cents) Operated Depreciation 1 2 36,000 31,000 3 21,400 43,200 Total .. Determine for each truck the depreciation rate per mile and the amount to be credited to the accumulated deprication 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 Credit to Rate per Mile Miles Accumulated Truck No. (in cents) Operated Depreciation 1 35,000 2 31,000 3 21,400 4 43,200 Total b. Journalize the entry to record depreciation for the year