Your brother owns a commercial electrical company. A friend of his is retiring and has offered to sell her electrical maintenance contracts to him. She has given you her speadsheets and you have estimated that you would earn a cash flow of $2098 per month after expenses. Your financial advisor has estimated that you may be able to sell the company for $480556 in 4 years.

Based on the risk of this investment, you require a return of 8.22%. What is the most you should be willing to pay for the contracts today?