Betson Enterprises distributes and markets the Big Buck video game which allows players to "hunt" for elk, antelope, moose, and bucks without shivering outside in the cold. E-sports entertainment in New York City purchased five machines for $6000 each and took in an average of $600 total per week in sales. What rate of return does this represent?

(a) Per week

(b) Per year (nominal)? Use a 3-year study period with 52 weeks per year.