ch8.4

please help me understand

Required information Use the following information for the Exercises below. (Algo) [The following information applies to the questions displayed below] Ramirez Company installs a computerized manufacturing machine in its factory at the beginning of the year at a cost of $47,000. The machine's useful life is estimated at 10 years, or 390,000 units of product, with a $8.000 salvage value. During its second year, the machine produces 33,000 units of product. Exercise 8-6 (Algo) Double-declining-balance depreciation LO P1 Determine the machine's second-year depreciation using the double-declining-balance method