Depreciation by Units-of-activity Method Prior to adjustment at the end of the year, the balance in Trucks is $402,000 and the balance in Accumulated Depreciation-Trucks is $125,300. Details of the subsidiary ledger are as follows: Truck Estimated Residual Estimated Accumulated Depreciation Miles Operated No. Cost Value Useful Life at Beginning During of Year Year 1 $86,000 $12,900 210,000 miles 31,500 miles 2 110,000 13,200 410,000 $22,000 41,000 3 103,500 14,490 215,000 82,800 21,500 4 102,500 12,300 300,000 20,500 36,000 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. (in cents) Rate per Mile Truck No. I 2 Miles Operated 31,500 41,000 21,500 36,000 Credit to Accumulated Depreciation 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