EX 9-8 Depreciation by units-of-activity method Obj. 2 Prior to adjustment at the end of the year, the balance in Trucks is $296,900 and the balance ruck #1, credit Accumulated in Accumulated Depreciation-Trucks is $99,740. Details of the subsidiary ledger are as follows: iation, $5,460 Estimated Residual Value Accumulated Depreciation at Beginning of Year Miles Operated During Year Estimated Truck No. Useful Cost $80,000 54,000 72,900 90,000 Life SHOW ME HOW $15,000 6,000 10,900 22,800 250,000 miles 300,000 200,000 240,000 21,000 miles $14,400 60,140 25,200 33,500 8,000 22,500 A. Determine the depreciation rates per mile and the amount to be credited to the accumulated depreciation section of each of the subsidiary accounts for the miles operated during the current year B. Journalize the entry on Dec. 31 to record depreciation for the year. Obj. 2 EX 9-10 Depreciation by two methods A storage tank acquired at the beginning of the fiscal year at a cost of $75,000 has an estimated residual value of $10,000 and an estimated useful life of 20 years. Determine the following A) the amount of annual depreciation by the straight-line method and (B) the amount of depreci o ation for the first and second years computed by the double-declining-balance method