Partial-Year Depreciation Sandblasting equipment acquired at a cost of $64,000 has an estimated residual value of $4,000 and an estimated useful life of 20 years, It was placed in service on October 1 of the current fiscal yea, which ends on December 31,205. a. Determine the depreciation for 20 Y 5 and for 20 Y 6 by the straight-line method. Round your answer to the nearest cent if rounding is required. b. Determine the depreciation for 20 r5 and for 20 yo by the double-declinino balance method. Round your answer to the nearest cent if rounding is required