using the appropriate Excel financial functions, do the following:
Determine the present value of $75,000 discounted at 6% over 6 years.
Determine the future value of $100,000 invested today at 4% for 5 years.
Determine what annual payment will need to be invested if you have $10,000 today and want it to grow to $100,000 over 20 years at 4.5%.