Problem 5-23 Payback and NPV An investment under consideration has a payback of six years and a cost of $573,000. Assume the cash flows are conventional. If the required return is 11 percent, what is the worst-case NPV? (Negative amount should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Worst-case NPV