A firm might purchase a computerized quality control system.The proposed system will cost $80,000, but is expected to save $25.000 each year in reduced overtime.The firm requires that all cost reduction projects have a discounted payback of no more than 4 years with a 9% interest rate. What is the payback time?

A-) 4.15 years

B-) 3.59 years

C-) 3.94 years

D-) 4.09 years