Assume that a company is choosing between two alternatives-keep an existing machine or replace it with a new machine. The costs associated with the two alternatives are summarized as follows: Click here to view Exhibit 7B-1 and Exhibit 7B-2, to determine the appropriate discount factor(s) using the tables provided. If the company overhauls its existing machine, it will be usable for eight more years. If it buys the new machine, it will be used for eight years. Assuming a discount rate of 22%, what is the net present value of the cash flows associated with keeping the existing machine