A Student Kept Her 60-Watt, 120-Volt Study Lamp Turned on from 2:00

question 19

Multiple Choice

A student kept her 60-watt, 120-volt study lamp turned on from 2:00 PM until 2:00 AM.How much charge went through it?

• A)720 C
• B)3,600 C
• C)7,200 C
• D)18,000 C
• E)21,600 C

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Definitions:

Break-Even Point

The production level or sales volume at which total revenues equal total costs, resulting in neither profit nor loss.

Margin of Safety

The difference between actual sales and the break-even point, indicating the level of risk in not covering fixed costs.

Composite Units

A measure used in costing to represent a bundle or mix of goods or services treated as a single unit.

Break-Even Point

The financial state in which total costs equal total revenues, resulting in neither profit nor loss.