14. Reasoning A bank manager wants to encourage new customers to open accounts with initial deposits of at least $3,000. He has posters
made for the promotion.

a. Under the new promotion, what is the minimum amount of
interest a new account would make in one year if there were no
withdrawls from the account?

b. The manager wants to add the sentence,"Open an account with
$3,000 and earn at least $120 interest each year!" to the poster.
Do you agree? Explain.