An Abstract Class Is

question 7

Multiple Choice

An abstract class is

• A)one that supports polymorphism.
• B)one that has all of its member functions declared private.
• C)one that has all of its member variables declared private.
• D)one that has at least one pure virtual function.
• E)None of the above

---

Definitions:

Perpetual Inventory System

An inventory management system where updates are made continuously to record sales and purchases in real-time.

Inventory Sold

Inventory sold refers to the goods or merchandise a company sells to its customers during a specific period, which were previously part of the company's inventory.

Perpetual Inventory System

A method of accounting for inventory that updates the inventory levels continuously after each purchase, sale, or return.

Income Statement

An income statement is a financial statement that shows a company's revenues and expenses over a specific period, culminating in net income or loss.