PART A.

PART B.

A building acquired at the beginning of the year at a cost of $88,400 has an estimated residual value of $5,300 and an estimated useful life of four years. Determine the following. (a) The double-declining-balance rate % (b) The double-declining-balance depreciation for the first year Hidden Hollow Mining Co. acquired mineral rights for $56,000,000. The mineral deposit is estimated at 80,000,000 tons. During the current year, 23,200,000 tons were mined and sold. a. Determine the depletion rate. If required, round your answer to two decimal places. $ per ton b. Determine the amount of depletion expense for the current year