Answer to Question #24248 in C++ for shahzad
of deposits, and money market, to attract customers as well as meet with
their specific needs. Two of the most commonly used accounts are savings
and checking. Each of these accounts has various options. For example, you
may have a savings account that requires no minimum balance but has a
lower interest rate. Similarly, you may have a checking account that limits
the number of checks you may write. Another type of account that is used
to save money for the long term is certificate of deposit (CD).
In this programming exercise, you use abstract classes and pure virtual
functions to design classes to manipulate various types of accounts. For
simplicity, assume that the bank offers three types of accounts: savings,
checking, and certificate of deposit, as described next.
Savings accounts: Suppose that the bank offers two types of savings
accounts: one that has no minimum balance and a lower interest rate and
another that requires a minimum balance and has a higher interest rate.
Checking accounts: Suppose that the bank offers three types of checking
accounts: one with a monthly service charge, limited check writing, nominimum balance, and no interest; another with no monthly service charge, a
minimum balance requirement, unlimited check writing and lower interest;
and a third with no monthly service charge, a higher minimum requirement, a
higher interest rate, and unlimited check writing.
Certificate of deposit (CD): In an account of this type, money is left for
some time, and these accounts draw higher interest rates than savings or
checking accounts. Suppose that you purchase a CD for six months. Then
we say that the CD will mature in six months. Penalty for early withdrawal
is stiff.Note that the classes bankAccount and checkingAccount are abstract.
That is, we cannot instantiate objects of these classes. The other classes in
Figure 14-22 are not abstract.
bankAccount: Every bank account has an account number, the name of
the owner, and a balance. Therefore, instance variables such as name,
accountNumber, and balance should be declared in the abstract class
bankAccount. Some operations common to all types of accounts are retrieve
account owner’s name, account number, and account balance; make deposits;
withdraw money; and create monthly statement. So include functions to implement
these operations. Some of these functions will be pure virtual.
checkingAccount: A checking account is a bank account. Therefore, it
inherits all the properties of a bank account. Because one of the objectives of
a checking account is to be able to write checks, include the pure virtual
function writeCheck to write a check.serviceChargeChecking: A service charge checking account is a checking
account. Therefore, it inherits all the properties of a checking account. For
simplicity, assume that this type of account does not pay any interest, allows the
account holder to write a limited number of checks each month, and does not
require any minimum balance. Include appropriate named constants, instance
variables, and functions in this class.
noServiceChargeChecking: A checking account with no monthly service
charge is a checking account. Therefore, it inherits all the properties of a
checking account. Furthermore, this type of account pays interest, allows the
account holder to write checks, and requires a minimum balance.
highInterestChecking: A checking account with high interest is a checking
account with no monthly service charge. Therefore, it inherits all the properties
of a no service charge checking account. Furthermore, this type of account pays
higher interest and requires a higher minimum balance than the no service
charge checking account.
savingsAccount: A savings account is a bank account. Therefore, it inherits
all the properties of a bank account. Furthermore, a savings account also pays
highInterestSavings: A high-interest savings account is a savings account.
Therefore, it inherits all the properties of a savings account. It also requires a
certificateOfDeposit: A certificate of deposit account is a bank account.
Therefore, it inherits all the properties of a bank account. In addition, it has
instance variables to store the number of CD maturity months, interest rate, and
the current CD month.
Write the definitions of the classes described in this programming exercise and a
program to test your classes.
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