Identify the Single-Row Functions Used with NULL Values and Describe

question 12

Essay

Identify the single-row functions used with NULL values and describe their purpose.​

---

Definitions:

Break-Even Point

The sales level at which a business neither makes a profit nor incurs a loss.

Variable Expenses

Expenses that vary directly with the amount of production or the degree of business activity.

Fixed Expenses

Costs that do not fluctuate with the level of production or sales, such as rent and salaries.

Contribution Margin

The amount remaining from sales revenue after variable costs are deducted, indicating the capability of covering fixed costs and generating profit.