Answer:
4 years and 2 months
Step-by-step explanation:
The project's payback period is the length of time that the future cash flows take to equal the initial investment of the project.
Initial Investment = $8 million
Annual cash flows = $1.75 million
It will take 4 years and 2 months ($1 million /$8 million x 12) for annual cashflows to equal the Initial Investment of $8 million.