We Want to Change the BankAccount Class So That All

question 2

Multiple Choice

We want to change the BankAccount class so that all accounts will have a monthly fee. When a BankAccount is created, its monthly fee is set and cannot be changed. The instance variable monthlyFee will hold the monthly fee. Which of the following methods deducts the value of the monthly fee from the account?

• A) public void chargeFee()
• {
• Balance = balance - monthlyFee;
• }
• B) public void chargeFee()
• {
• InitialBalance = initialBalance - monthlyFee;
• }
• C) public void chargeFee()
• {
• Balance = monthlyFee;
• }
• D) public void chargeFee()
• {
• Balance - monthlyFee;
• }

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Definitions:

Total Revenue

The total income generated by a firm from its sales of goods or services, calculated as the unit price times the quantity sold.

Average Total Cost

The total cost of production (fixed plus variable costs) divided by the total quantity of output produced.

Average Variable Cost

The total variable costs divided by the quantity of output, representing the variable cost per unit of output.

Marginal Cost

The escalation in total financial outlay due to the creation of one more unit of a product or service.