Problem $4$: CVS Pharmacy, Inc. is interested in investing in an in$-$home care service project. The initial investment for this project is

$$500,000$

$.$ The project generates inflows of

$$215,000$

for the next $6$ years. Using a required rate of return of

$12\%$

per year and Discounted Payback method, calculate how long will it take to pay back the investment.