15. Coleman 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. The payback period is closest to:

Group of answer choices

5.52 years

7.26 years

7.67 years

7.00 years