You have won a lottery and have the choice between receiving:

a$.$ $$20$ million today.

b$.$ $$30$ million in $9$ years.

c$.$ $$14$ million in $2$ years time, $$6$ million a year in year $4,5$ and $$12$ million in year $16.$

Based on these choices $($i$)$ which option should you take from a$,$ b$,$ c if you ignore any tax effects and believe that $7$ percent is a fair rate of return