What Two Observations Allow Us to Calculate the Galaxy's Mass

question 35

Multiple Choice

What two observations allow us to calculate the Galaxy's mass?

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

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Definitions:

FIFO Costing

An inventory valuation method stating that the oldest inventory items are sold first, with costs of the oldest items being used to calculate profit.

Ending Inventory

The value of goods available for sale at the end of an accounting period.

LIFO Reserve

The difference between the cost of inventory calculated using the Last-In, First-Out method and the First-In, First-Out method.

FIFO Inventory Costs

An accounting method where the oldest inventory items are recorded as sold first.