A firm evaluates all of its projects by using the NPV decision rule. Year 0 1 2 3 Cash Flow -$28,000 20,000 14,000 8,000 Required: (a)At a required return of 24 percent, what is the NPV for this project? (Click to select) (b)At a required return of 39 percent, what is the NPV for this project? (Click to select)