Could you please help me with this four questions.

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 $48,400. The machine's useful life is estimated at 10 years, or 394,000 units of product, with a $9,000 salvage value. During its second year, the machine produces 33,400 units of product. Exercise 8-4 (Algo) Straight-line depreciation LO P1 Determine the machine's second-year depreciation and year end book value under the straight-line method. 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 $48,400. The machine's useful life is estimated at 10 years, or 394,000 units of product, with a $9,000 salvage value. During its second year, the machine produces 33,400 units of product. Exercise 8-5 (Algo) Units-of-production depreciation LO P1 Determine the machine's second-year depreciation using the units-of-production method. Required information Use the following information for the Exercises below. (Algo) [The following information applies to the questions displayed below.] On April 1, Cyclone Company purchases a trencher for $310,000. The machine is expected to last five years and have a salvage value of $55,000. Exercise 8-11 (Algo) Straight-line, partial-year depreciation LO C2 Compute depreciation expense at December 31 for both the first year and second year assuming the company uses the straight-line method. Required information Use the following information for the Exercises below. (Algo) [The following information applies to the questions displayed below.] On April 1, Cyclone Company purchases a trencher for $310,000. The machine is expected to last five years and have a salvage value of $55,000. Exercise 8-12 (Algo) Double-declining-balance, partial-year depreciation LO C2 Compute depreciation expense at December 31 for both the first year and second year assuming the company uses the doubledeclining-balance method. (Enter all amounts as positive values.)