1. Assume that at the beginning of Year 1, Porter Airlines purchased a Bombardier Q400 aircraft at a cost of $25,000,000. Porter expects that plane to remain useful for five years (5,000,000 km) and to have a residual value of $2,000,000. Porter expects the plane to be flown 750,000 km the first year, and 1,250,000 km each year during years 2 through 4, and 500,000 km the last year (Year 5). Complete Porter's depreciation table using: a. straight-line Calculate annual depreciation: (show your calculation here) Net Depreciation Accumulated Net Book Value Expense Depreciation Book Value 25,000,000 Year Year 2 Year 3 Year 4 Year 5 2,000,000 b. double-declining-balance Useful life: ?? Rate: ?? Double the rate to ?? Net Book Value Depreciation Accumulated Rate Expense Depreciation Net Book Value Year 1 Year 2 Year 3 Year 4 Year S Plug in c. units-of-production Total usage: show your calculation here Depreciation expense: show your calculation here Kilometers Rate Depreciation Accumulated Net Expense Depreciation Book Value Year Year 2 Year 3 Year 4 Year 5