You purchased 100 shares of common stock on margin at $45 per share. assume the initial margin is 50% and the stock pays no dividend. what would the maintenance margin be if a margin call is made at a stock price of $30? ignore interest on margin. a) 0.33 b) 0.55 c) 0.43 d) 0.23 e)0.25

E)0.25

Explanation:

The calculation of the maintenance margin is shown below:

Maintenance margin = Number of shares purchased × price - loan amount ÷  Number of shares purchased × price

= 100 shares × $30 - $2,250 ÷ 100 shares × $30

= $3,000 - $2,250 ÷ $3,000

= $750 ÷ $3,000

= 0.25

And, the loan amount equal to  

= Number of shares purchased × per share price × initial margin

= 100 shares × $45 × 50%

= $2,250

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