(1). Which of the following sets of factors is needed to calculate depreciation on plant and equipment? (a). the asset's acquisition cost, its replacement cost, and its estimated residual value (b). the estimated residual value of the asset, its replacement cost, and its market value (c). the asset's replacement cost, its estimated life, and its estimated residual value (d). the estimated life of the asset, its acquisition cost, and its estimated residual value