Downtown Medical Center is starting an endowment fund to pay for the expenses of a community outreach pediatric program. The expenses are $800,000 per year, and the program is expected to last five...

Downtown Medical Center is starting an endowment fund to pay for the expenses of a community outreach pediatric program. The expenses are $800,000 per year, and the program is expected to last five years. Assuming payments are made at the end of each year and the interest rate is 7 percent per year, what should be the size of the initial endowment?