Depreciation by units-of-activity Method Prior to adjustment at the end of the year, the balance in Trucks is $400,900 and the balance in Accumulated Depreciation-Trucks is $121,180. Details of the subsidiary ledger are as follows: Truck Estimated Residual Estimated Accumulated Depreciation Miles Operated No. Cost Value Useful Life at Beginning of Year During Year 1 $77,000 $11,550 200,000 miles 30,000 miles 2 119,900 14,388) 240,000 $23,980 24,000 3 94,000 13,160 214,000 $75,200 21,400 4 110,000 13,200 400,000 $22,000 48,000 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. Truck No. Rate per Mile (in cents) Miles Credit to Accumulated Operated Depreciation 1 30,000 2 24,000 21,400 3 48,000 Total Estimated Estimated Depreciation Operated Truck Residual No. Cost Value Useful Life at Beginning of Year During Year 1 $77,000 $11,550 200,000 miles 30,000 miles 2 119,900 14,388 240,000 $23,980 24,000 3 94,000 13,160 214,000 $75,200 21,400 4 110,000 13,200 400,000 $22,000 48,000 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. Truck No. Rate per Mile (in cents) Miles Operated Credit to Accumulated Depreciation 1 30,000 2 24,000 3 21,400 48,000 Total b. Journalize the entry to record depreciation for the year