Jubail Corporation has just purchased a new CAD Machine for $35,000 to replace old machine that had a salvage value of $ 15,000. The useful life of the new machine is 10 years. The machine generates annual sales of $10,000 and has annual maintenance cost of $5,000. Calculate the payback period using Conventional Payback period, If Jubail's MARR (minimum acceptable rate of return) is 1296: O A. 8.12 Years O B. 4.00 Years O C. 6.57 Years O D. None of these