You need $30,000 per year for 4 years starting in 20 years. You will inherit $20,000 ten years from now which you will deposit in year 10. How much must you deposit in years 1 to 5 in order to fund your four $30,000 withdraws if you include the effect of the $20,000 inheritance? You earn 7% compounded annually on your deposits. The time line for the cash-flows is given to you.

Please answer this like it would be done in a financial calculator N I/Y PV PMT FV

Thank you.