Calculate the depreciation for the following scenarios. Bought a piece of equipment costing $40,000, with a salvage value of $5,000 a) Figure the units of production (activity) depreciation. Assuming that total units will be 100,000, Year 1 - 20,000 units Year 2- 30,000 units b)figure the double declining balance depreciation for year one and year two. Assuming a 4 year life. c) Prepare the Depreciation Journal Entry for $3000