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. Prepare the Depreciation Journal Entry for $3000