You invest $25,000 today at 8% per year. How much money will you have accumulated after 13 years?

You are going to receive $150,000 in 25 years. Calculate the present value of the $150,000 using discount rates of 8% and 10%.

Your friend has learned that he is going to receive $7,500 a year for the next 10 years. Utilizing 5% interest rate, calculate the current value of the future payments.