B c and d. I think these are the answers
The portfolio margin requirement is mathematically given as
M = 15,000
This is further explained below.
<h3> What is the portfolio margin requirement?</h3>
Generally, the equation for Margin requirement is mathematically given as
M= 15% of 100,000
Therefore
M = 15,000
In conclusion, The portfolio margin requirement is mathematically given as
M = 15,000
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I think the answer is d. the moon's umbra only covers a small area on earths surface.
Object at rest stays at rest object in motion stays in motion
