expecand to providn yeariy net cash flons of 334,080 . The congaqy' minimm desed rite of return for net sresent value anarist is 15% Bretent Valoe of an Annuitu of th at Fhennatisa taievest Corfpure the foliowing: be The enth paylack period. C vears present value hor cument grading fupose. a. The average. rate of retum, giving effect to straight-line depreciation on the investment. If required, round your answer to one decimal piace. b. The cash payback period. x years