6 Problem 9-21 Payback and NPV (L02, 5) An investment under consideration has a payback of seven years and a cost of $873,000. Assume the cash flows are conventional. If the required return is 11%, what is the worstcase NPV? (Negative answer should be indicated by a minus sign. Do not mints round intermediate calculations. Round the final answer to 2 decimal places. Omit $ sign in your response.) Worst-case NPV $ |:| eBook