5. A machine costing $15,000 was purchased. Delivery and installation cost $2,000 and the residual value is $1,000. If the company keeps the machine for its entire life, how much of the machine will be depreciated? a. $2,000 b. $15,000 c. $16,000 d. $17,000 6. . A machine costing $15,000 was purchased. Delivery and installation cost $2,000, and the residual value is $1,000. If the estimated life is 4 years and the business uses straight-line depreciation, what is the annual depreciation? a. $3,750 b. $4,000 $4,250 d. $8,500 c. 7. A machine costing $15,000 was purchased. Delivery and installation cost $2,000 and the residual value is $1,000. If the estimated life is 4 years and the business uses double declining balance depreciation, what is the first year's annual depreciation? a. $3,750 b. $4,000 c. $4,250 d. $8,500 8. A company recently added seats with built-in heaters for its employees driving in low temperatures. This expenditure can be classified as: a. addition b. enlargement c. extraordinary repair d. betterment 9. The videos and the textbook cover three methods of depreciation. They are straight line, double declining balance, and units of production. What are the formulas associated with each one? You will want to keep these in a safe place. You will use them often