A Medium-Mass Star Evolves into a Red Giant Because ____

question 4

Multiple Choice

A medium-mass star evolves into a red giant because ____.

• A) the core expands as new fusion products collect there
• B) the surface of the star becomes cooler
• C) energy from hydrogen shell burning and helium fusion forces the outer layer to expand
• D) the surface of the star becomes hotter
• E) increased stellar winds carry large amounts of material off of the surface of the star

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Definitions:

Fixed Manufacturing Overhead

The portion of manufacturing overhead costs that remains constant regardless of the level of production or sales volume.

Manufacturing Overhead Budget

An estimation of all manufacturing costs, excluding direct materials and direct labor, planned for a specific period.

Direct Labor-Hours

The cumulative hours that employees engaged in the manufacturing process have completed.

Variable Overhead Rate

The portion of overhead costs that varies directly with production volume, calculated as variable overhead costs divided by a certain measure of activity (e.g., labor hours or machine hours).