Ridgeway Digital Components Company assembles circuit boards by using a manually operated machine to insert electronic components. The original cost of the machine is $90,600, the accumulated depreciation is $36,200, its remaining usefut life is 5 years, and its residual value is negligible. On October 1 of the current year, a proposal was made to replace the present manufacturing procedure with a fully automatic machine that has a purchase price of $188,400. The automatic machine has an. estimated useful life of 5 years and no significant residual value. For use in evalusting the proposal, the managerial accountant accumulated the following annual datah n present and proposed operations: a. Prepare a differential analysis dated October 1 to determine whether to continue with (Alternative 1) or replace (Alternative 2) the old machine: Prepare the analysis over the useful life of the new machine. If an amount is zero, enter 0. If required, use o minus sign to indicate a loss. a. Prepare a differential analysis dated October 1 to determine whether to continue with (Alternative 1 ) or replace (Alternative 2 ) the old machine. Prepare the analysis over the useful life of the new machine. If an amount is zero, enter " 0 ". If required, use a minus sign to indicate a loss