CheckingAccount code public class CheckingAccount extends BankAccount private int overdraftFee $=0$; public boolean debit$($int pennies$)$ balance $=$ balance $-$ pennies; if $($balance $<0)$ balance $=$ balance $-$ overdraftFee; return true; public void setFee$($int fee$)$ overdraftFee $=$ fee; public int getFee$()$ return overdraftFee; public void applyInterest$()$ if $($balance $>0)$ int interest $=($int$)$ Math.floor$($balance $*$ interestRate$)$; balance $=$ balance $+$ interest; public String accountInfo$()$ String info $=$ "Type of Account : Checking"; info $+=$ "Account ID : $"+$ accountID $+""$; info $+=$ "Current Balance : $"+($balance $/100)+"."+($balance