The winner of a $10,000,000 prize has the following payment choices. If the interest rate is 10%, which choice is best?

Select one:

a. $10,000,000 now

b. $3,000,000 per year for 12 years

c. $2,000,000 per year for 50 years

d. All of choices are the same

e. $55,000,000 in 10 years