A bank manager wants to encourage new customers to open accounts with initial deposits of at least $3000. 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 al least $120 interest each year!" to the poster. Do you agree? Explain.