$.$ Verify if balance is less than minimum balance $($return a

Boolean value$)$

j$.$ Override the print$()$ function to show that it is a Checking

account #$.$ Same information printed but only modify the

description.

k$.$ A constructor for checkingAccount to accept values for

accountNumber, balance, minimum balance, interest rate and

service charge. This constructor should call the bankAccount

constructor with accountNumber and balance.