Clara operates a specialized financial services business in Toronto. She's currently considering purchasing an exclusive service agreement from a competitor for $120,000, but would like to ensure that the investment would meet her payback rule of five years. The service agreement would guarantee net returns of $33,000 per year, but would also require her to pay $15,000 for a regulatory audit every other year (starting from the first year)

a. What is the payback period on this investment? year and month

b. Does this investment satisfy Clara's payback rule?