Betson Enterprises distributes and markets Big Buck video game, which allows players to "hunt" for the antelope, elk, moose, and the bucks without shivering outside in cold. E-sports Entertainment in the NYC purchased five machines for $6300 each and took in an average of $610 per week in sales. For a study period of 3 years,
1. How can determine the nominal annual rate of return?
2. How can calculate the effective annual rate of return?