Renewable Energies, Inc. (REI) paid $100,000 to purchase a windmill. The windmill was expected to have an 8 year useful life and a $20,000 salvage value. At the beginning of the fifth year of operation, REI changed the estimated useful life from 8 years to 14 years. Assuming the Company uses the straight-line method, the amount of accumulated depreciation on the Year 6 balance sheet would be:

a. $40,000
b. $44,000
c. $48,000
d. $60,000

Waterway company’s record of transactions for the month of april was as follows. purchases sales april 1 (balance on hand) 672 @ $6.00 april 3 560 @ $11.00 4 1,680 @ 6.08 9 1,568 @ 11.00 8 896 @ 6.41 11 672 @ 12.00 13 1,344 @ 6.51 23 1,344 @ 12.00 21 784 @ 6.61 27 1,008 @ 13.00 29 560 @ 6.79 5,152 5,936 (a) calculate average-cost per unit. (b) assuming that periodic inventory records are kept in units only, compute the inventory at april 30 using lifo and average-cost. (c) assuming that perpetual inventory records are kept in dollars, determine the inventory using (1) fifo and (2) lifo. (d) compute cost of goods sold assuming periodic inventory procedures and inventory priced at fifo.