What is the future value of 20 periodic payments of $4,000 each made at the beginning of each period and compounded at 8%?

Build an Excel worksheet to verify your calculation of #1. Show the calculation year by year (periodic amount, payment, balances etc.)

Given the information of #1 above, how much you would have to save every year (period) if you want to have 2 million dollars of cash after 20 years (periods)