Please answer 12 & 13

Thomas Company purchased equipment for $640,000 cash on January 1, 2007. The estimated life is 5 years or 1,000,000 units; salvage value is estimated at $-O-. Actual activity was 180,000 units in 2007, and 200,000 units in 2008. Which of the following is true? b. Under the straight-line method the depreciation expense in 2007 would be different from that in 2008 Under the units-of-activity method, the depreciation in 2008 would be $128,000 ble declining method, the depreciation in 2008 would be $160,000 Under the double declining method, the depreciation in 2007 would be $128,000 Under the units-of-activity method, the depreciation in 2007 would be $128,000 d. e. 13. Elston Company had a beginning inventory of 200 units at a cost of $12 per unit on August 1. During the month, the following purchases and sales were made. Purchases August 4 250 units at $13 August 15 350 units at $15 August 28 100 units at $14 August August August August 7 11 17 24 Sales 150 units 100 units 250 units 200 units a. The cost of goods sold under LIFO periodic would be $7,200 b. The cost of goods sold under FIFO periodic would be $12,300 c. The end inventory under FIFO periodic would be $2,400 d. The end inventory under LIFO periodic would be $2,400