On November 30, Glass Recycling Company purchased special-purpose equipment at a cost of $3000000. Useful life of the equipment was estimated to be 5 years and the residual value $200000.Compute the depreciation expense to be recognized in each calendar year during the life of the equipment under each of the following methods:  Straight-line (Nearest whole Month).
 Sum-of-the-year'-digits, with the half-year convention.
 200% Reducing Balance Method (use the half-year convention)t