7 For the given cash flows, suppose the firm uses the NPV decision rule. Year Cash Flow 0 -$ 148,000 68,000 2 71,000 3 55,000 1.08 points WN - eBook a. At a required return of 9 percent, what is the NPV of the project? (Do not round intermediate calculations and round your answer to 2 decimal places, e.g.. 32.16.) b. At a required return of 20 percent, what is the NPV of the project? (A negative answer should be indicated by a minus sign. Do not round intermediate calculations and round your answer to 2 decimal places, e.g., 32.16.) Print a. NPV b. NPV References