Depreciation by units-of-activity Method Prior to adjustment at the end of the year, the balance in Trucks is $425,100 and the balance in Accumulated Depreciation-Trucks is $132,320. Details of the subsidiary ledger are as follows: Accumulated Depreciation Operated at Beginning During of Year Truck No. 1 2 Cost $77,000 113,600 104,500 130,000 Estimated Residual Value $11,550 13.632 34,630 15,600 Estimated Useful Life 230,000 miles 420,000 206,000 370,000 122.720 42.000 20,000 4 $26,000 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 Accumulated Truck No. (in cents) Operated Depreciation 4.500 42,000 20,600 44,400 Total b. Journalize the entry to record depreciation for the year