Answer:
2.91%
Explanation:
PMT = 800,000 (Annual amount that you receive)
n = 20 years
PV = -12,000,000 (the amount you should have if you receive a lump-sum today)
FV = 0 (not given)
i/r = ? (The rate of return we need to find)
Using financial calculator, we have the rate of return built into the annuity is:
i/r = 2.91%