Problem:

Bill plans to open a self-serve grooming center in a storefront. The grooming equipment will cost $420,000, to be paid immediately. Bill expects aftertax cash inflows of $91,000 annually for seven years, after which he plans to scrap the equipment and retire to the beaches of Nevis. The first cash inflow occurs at the end of the first year. Assume the required return is 11 percent.

Required:

Question: What is the project's PI?

Note: Please describe comprehensively and provide step by step solution.