Decide Whether or Not the Set Is Closed Under Addition $$\{ \mathrm { n } \in \mathrm { N } : \mathrm { n } \geq 53 \}$$

question 172

Multiple Choice

Decide whether or not the set is closed under addition.
- $$\{ \mathrm { n } \in \mathrm { N } : \mathrm { n } \geq 53 \}$$

• A) Closed
• B) Not closed

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Definitions:

Fixed Manufacturing Overhead

Indirect costs associated with manufacturing that do not vary with the level of production, such as salaries of managers and depreciation of factory equipment.

Variances

The difference between expected and actual figures in budgeting and financial forecasting.

Direct Labor-Hours

The complete count of hours expended by personnel directly part of the process in making a product or providing a service.

Standard Cost System

An accounting method that uses cost estimates for labor and materials to plan a budget and measure performance.