Matthew Corporation is adding a new product line that will require an investment of $138,000. The product line is estimated to generate cash inflows of $25,000 the first year, $23,000 the second year, and $18,000 each year thereafter for ten more years. What is the payback period? O A. 7 years O B. 5.92 years O C. 7.38 years OD. 7.78 years