Please explain in detail how to solve this problem.

is there an easier way to find the discount payback period?

I dont understand how to solve PVCF and Cumulative PVCF. Also is there an easier way to do this or a trick?

Problem 10.21 (Excel Video) Wildhorse Communication Corp. is investing $9,621,700 in new technologies. The company's management expects significant benefits in the first three years after installation (as can be seen by the following cash flows), and smaller constant benefits in each of the next four years Excel Template (Note: This template includes the problem statement as it appears in your textbook. The problem assigned to you here may have different values. When using this template, copy the problem statement from this screen for easy reference to the values you've been given here, and be sure to update any values that may have been pre-entered in the template based on the textbook version of the problem.) Year 1 2 3 4-7 Cash Flows $1,730,000 $4,120,000 $3,760,100 $1,469,500 What is the discounted payback period for the project assuming a discount rate of 10 percent? (Round answer to 2 decimal places, e.g. 15.25. If discounted payback period exceeds life of the project, enter O for the answer.) The discounted payback period for the project is years