Assignment # $2(10$ points$)$

Create an inheritance hierarchy containing base class Account and derived class CheckingAccount that inherit from class Account.

$\backslash$table$[[$Account class$],[$Data member,Data member of type double to represent the account balance.,$1$pt$],[$Constructor$,\backslash$table$[[$Should receives an initial balance and uses it to initialize the data member. The$],[$constructor should validate the initial balance to ensure that it is greater than or$],[$equal to $0\mathrm{.}0.],[($If not, the balance should be set to $0\mathrm{.}0$ and the constructor should display an$],[$error message, indicating that the initial balance was invalid$).]],1$pt$],[\backslash$table$[[$Member$],[$functions$]],\backslash$table$[[-$ Member function credit should add an amount to the current balance.$],[-$ Member function debit should withdraw money from the Account and$],[$ensure that the debit amount does not exceed the Account's balance.$],[($If it does, the balance should be left unchanged and the function should$],[$print the message "Debit amount exceeded account balance"$).]],2$pt$],[$CheckingAccount class$],[$Data member,Data member of type double that represents the fee charged per transaction.,$1$pt$],[$Constructor$,\backslash$table$[[$Should receive the initial balance, as well as a parameter indicating a fee$],[$amount$]],1$pt$],[\backslash$table$[[$Member$],[$functions$]],\backslash$table$[[$Redefine member functions credit and debit as follows:$],[-$ CheckingAccount's versions of these functions should invoke the base$-$class$],[$Account version to perform the updates to an account balance.$],[-$ CheckingAccount's debit function should charge a fee only if money is$],[$actually withdrawn $($i$.$e$.,$ the debit amount does not exceed the account$],[$balance$).],[[$Hint: Define Account's debit function so that it returns a bool indicating whether$],[$money was withdrawn. Then use the return value to determine whether a fee$],[$should be charged.$]]],2$pt$],[$Main function $($ to test classes $)],[\backslash$table$[[-$ Write a pro$],[$class$.]],\backslash$table$[[$gram that creates objects of each class and tests one member function for each$]],1$pt$]]$