Why Does the Cosmic Microwave Background Appear to Be Slightly

question 89

Multiple Choice

Why does the cosmic microwave background appear to be slightly warmer in one direction in the sky and slightly cooler in the opposite direction?

• A) Because this is the direction in which the Big Bang occurred,hence we are seeing the remnant of the explosion in this direction
• B) Because the center of the Local Group of galaxies is in this direction and this is a bright source of microwaves
• C) Because the radiation in one direction is Doppler-shifted to shorter wavelengths by Earth's motion in space and to longer wavelengths in the other direction
• D) Because the amount of dark matter in that direction in space has focused the radiation slightly by gravitational lensing,making this direction appear hotter

Recognize the limitations and assumptions underlying break-even and incremental analysis.

Evaluate the effects of changes in the sales mix on the break-even point and profitability.

Understand the calculation and implications of margin of safety in financial planning.

Understand the concept of the break-even point and how it is depicted on a CVP graph.

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Definitions:

U-shaped

A description often used in economics to describe the graphical representation of a situation where certain costs initially decrease, reach a minimum, and then start to increase as output expands.

TVC

Total Variable Cost; the entire cost associated with producing a given output level that varies with the quantity of output.

Increasing Rate

A situation where something grows or rises in value at a progressively higher pace over time.