A three-year-old machine has a cost of $38,800, an estimated residual value of $1,800, and an estimated useful life of 37,000 machine hours. The company uses units-of-production depreciation and ran the machine 3,400 hours in year 1; 6,750 hours in year 2; and 7,300 hours in year 3. Calculate the net book value at the end of the third year.

Adamson company manufactures four lines of garden tools. as a result of an activity analysis, the accounting department has identified eight activity cost pools. each of the product lines is produced in large batches, with the whole plant devoted to one product at a time. classify each of the following activities or costs as either unit-level, batch-level, product-level, or facility-level. activities (a) machining parts. (b) product design. (c) plant maintenance. (d) machine setup. (e) assembling parts. (f) purchasing raw materials. (g) property taxes. (h) painting.