Flounder Company purchased a new machine for $900,000.The machine has a useful life of four years or 4,000,000 units and a salvage value of $90,000.

Determine the Depreciation Expense for each year of the life of the machine using declining balance depreciation.

Determine the Depreciation Expense for year 2 of the life of the machine using sum of the years digits depreciation.

Assume Flounder uses straight line depreciation.At the end of the third year, they spend $100,000 on the machine to improve the machine and add four years to its total life, but the salvage value drops to $40,000. Determine the depreciation expense for the following year.