$1$O

You sell $810$ shares of stock short at a price of $$39\mathrm{.}47.$ The initial margin

requirement is $50\%$ and the maintenance margin is $30\%.$

PBI$1$

How much money do you have to add to the account to meet the inital margin

requirement?

P$8$I$42$

At what price will you first receive a margin call?