You win $$20$M in the lottery. $($don$$t assume any tax rate$)$

A$)$ You choose the $$lump sum$$ option and you get $50\%$ immediately. What is the Future value of that choice over the next $20$ years assuming a $10\%$ rate of return.

B$)$ You choose the $$annuity$$ option that pays you $100\%$ over the next $20$ years at $$2$M per year. What is the future value of that choice assuming $10\%$ rate of return.

C$)$ Which option do you choose?