Question: 1. The Dominion Freight Company has invested $50,000 in a new sorting machine that is expected to produce a return of $7,500 per year for the next 10 years. At a 7% annual interest rate, is this investment worthwhile?
2. For a repayment schedule that starts at EOY four at $Z and proceeds for years 4 through 10 at $2Z, $3Z, ... , what is the value of Z if the principal of this loan is $10,000 and the interest rate is 7% per year? Use a uniform gradient amount (G) in your solution.