Construct a cash flow diagram that represents the amount of money that will be accumulated in 5 years from annual deposits of $3,500 per year at an interest rate of 8% per year. Problem 5 A university student is trying to decide whether he should pay his tuition fees now or wait and do it 1 year from now. If he wait for 1 year, the fees are expected to be $20,000. At an interest rate of 10% per year, what would be the equivalent fees now? Problem 6 An investment of $70,000 one year ago and $77,000 now are equivalent at what interest rate