you are considering a second business opportunity supply fish to a diner for the next 3 years in return for an upfront payment of $10000. you figure it will cost you $4000 a year in supplies to provide this job. the revenue cost of the project is immediate and only revenue is $10000, costs in 1 year is $4000, cost in 2 years is $4000, costs in 3 years is $4000. what is the IRR. provide an explanation and show your calculations