Kenneth Clark has been offered the opportunity of investing $29,141 now. The investment will earn 7% per year and at the end of that time will return Kenneth $80,400. Click here to view the factor table. (For calculation purposes, use 5 decimal places as displayed in the factor table provided.) How many years must Kenneth wait to receive $80,400 ? (Hint: Use Table 3.) (Round answer to 0 decimal places, e.g. 25.) Kenneth must wait years