Help.....i need pay period formulas ans answers. ques are attatched

Testbank Exercise 6 Birch manufacturing is considering the addition of another product line to its offerings. Equipment needed to produce the new line will cost $198,540. Birch estimates that the net cash inflows from the new product line will be as follows: Years 1-10 Years 11-15 Year 16-20 $19,390 (each year) $4,640 (each year) $2,080 (a) Your answer is incorrect. Try again. What is the payback period for the new product line? Payback period 10 years Testbank Exercise 6 Birch manufacturing is considering the addition of another product line to its offerings. Equipment needed to produce the new line will cost $186,840. Birch estimates that the net cash inflows from the new product line will be as follows: Years 1-10 Years 11-15 Year 16-20 $16,760 (each year) $4,810 (each year) $2,040 (a) What is the payback period for the new product line? Payback period years Attempts: 0 of 1 used SAVE FOR SUBMIT LATER ANSWER (b)