profit that would result over the 6-year period if the new machine is acquired. If an amouht is zero, enter "0". If required, use a minus sign to indicate a loss. Differential Analysis Continue with Old Machine (Alt. 1 ) or Replace Old Machine (Alt. 2) Gifferental Analysis for Machine Replacement Proposal estimated residual value, are as follows: Annual nonmanufacturing operating expenses and revenue are noc expected wo ve aliected by purchase of the new machine