What Two Observations Allow Us to Calculate Mass of the Portion

question 116

Multiple Choice

What two observations allow us to calculate mass of the portion of the Galaxy within the Sun's orbit?

• A) the Sun's mass and its age
• B) the Sun's composition and luminosity
• C) the Sun's age and period of the Galactic Year
• D) the Sun's orbital velocity and its distance from the Galactic Center
• E) the Sun's mass and velocity in orbit of the Galactic Center

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Definitions:

Variable Manufacturing Costs

Costs that vary directly with the level of production output, including raw materials, direct labor, and variable overhead expenses.

Operating Income

Earnings before interest and taxes (EBIT), an indicator of a company’s profitability from its core business operations.

Fixed Overhead

Costs that do not change with the level of output, including rent, salaries, and insurance premiums.

Administrative Costs

Expenses that are not directly tied to production or sales, such as office expenses, salaries of administrative personnel, and legal fees.