An asset has the following cost and usage Cost of $160,000 Useful life of 50,000 hours Was used for 2500 hours during the day Residual Value of $10,000 Using the following formulas... Depreciation per unit= Cost - Residual Value Total Estimated units of activity Depreciation Expense = Depreciation per unit x units of activity What is the units-of-activity depreciation for the year? A. $7,500 B. $2,500 C. $5,000 D. $3,000