The Milky Way and Andromeda Are on a Collision Course

question 4

Multiple Choice

The Milky Way and Andromeda are on a collision course.When will the initial collision happen?

• A) in about 4 million years
• B) in about 4 billion years
• C) in about 2.5 million years
• D) in about 400,000 years
• E) in about 13.7 billion years

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Definitions:

Weighted Average Cost

The total cost of goods available for sale divided by the number of goods available for sale, giving each item a weight proportional to its cost.

Cost of Equity

The return a firm theoretically pays to its equity investors, i.e., shareholders, to compensate them for the risk of investing in the company.