IMR$=50\%,MMR=30\%$ Shares $=1,000$ Stock Price $=252\mathrm{.}94$

How much money did you have to have in your account before you shorted the stock?

$=252\mathrm{.}94\mathrm{.}501,000=126,470\mathrm{.}00$

Suppose the stock price dropped $20\%$ from the price at which you shorted it$.$ What was the price?

$=126,470\mathrm{.}20=25,294=126,470-25,294=101,176\mathrm{.}00$

You closed out the short at the price in Problem $2.$ What was your net cash inflow?

$=126,470\mathrm{.}00-101,176\mathrm{.}00=25,294\mathrm{.}00$

What was your return?

$5\mathrm{.}00039538$

If you didn't close out the short, how high could the price go before you got a margin call?

$$252\mathrm{.}94+($$$252\mathrm{.}940\mathrm{.}50)$ Maximum Price $=$$$378\mathrm{.}41$

If the price increased $20\%$ from the highest it could go without a margin call, what was the new price? $$378\mathrm{.}41+($$$378\mathrm{.}410\mathrm{.}20)$ New Price $=$$$454\mathrm{.}09$

What was your actual margin? $\frac{\text{\$}126,470-(1,000\text{\$}454\mathrm{.}09)}{\text{\$}}126,470100$ Actual Margin $=36\mathrm{.}09\%$

What was the amount of your margin call? $(1,000$$$454\mathrm{.}09)-($$$126,47030\%)$ Margin Call $=$$$454,090-$$$37,941$ Margin Call $=$$$416,149$

Suppose you couldn't meet the margin call. What is the maximum market value you could have? $$416,149+$$$126,470$ Maximum Market Value $=$$$542,619$

What was the necessary reduction?

Reduction Needed $=$ Maximum Market Value $-$ Value of Stocks

How many shares did your broker buy? Number of shares to sell $=$ Reduction Needed $/$ New Price

What was the actual reduction? Actual Reduction $=$ Number of shares to sell $*$ New Price

What was the value of your total assets after the reduction?

What was the value of your loan after the reduction?

Please help