Loretta Livermore Labs purchased R&D equipment costing $200,000. The interest rate is 5%, salvage value is $20,000, and expected life is 10 years. Compute the PW of the depreciation deductions assuming: Straight-one depreciation Sum-of-the-years'-digits depreciation MACRS depreciation Double declining balance depreciation Loretta Livermore Labs purchased R&D equipment costing $200,000. The interest rate is 5%, salvage value is $20,000, and expected life is 10 years. Compute the PW of the depreciation deductions assuming: Straight-one depreciation Sum-of-the-years'-digits depreciation MACRS depreciation Double declining balance depreciation