On January 1, Austin Trucking purchased a used Kenworth truck at a cost of $49,000. Austin Trucking expects the truck to remain useful for ten years (430,000 miles) and to have a residual value of $6,000. Austin Trucking expects the truck to be driven 86,000 miles the first year and 150,500 miles the second year. Read the requirements Requirement 1. Compute Austin Trucking's first-year depreciation expense on the truck using (a) Straight-line, (b) Units-of-production, and (c) Double-declining- balance Start by selecting the formulas needed to compute annual depreciation under each of the three methods a. Compute Austin Trucking's first-year depreciation expense on the truck using the straight-line method. First-year depreciation on the truck using the straight-line method is $ b. Compute Austin Trucking's first-year depreciation expense on the truck using the units-of-production method. (Round the depreciation per unit to the nearest cent and round your final answer to the nearest whole dollar.) First-year depreciation on the truck using the units-of-production method isS c. Compute Austin Trucking's first-year depreciation expense on the truck using the double-declining-balance method. (Round the double-declining depreciation rate to two decimal places.Round your final answer to the nearest whole dollar.) First-year depreciation on the truck using the double-declining-balance method is $ Requirement 2. Show the truck's book value at the end of the first year under the straight-line method. Select the formula and then enter the amounts to calculate the book value at the end of the first year using the straight-line methood Book value