Old Economy Traders opened an account to short-sell 1,000 shares of Internet Dreams from the previous question. The initial margin requirement was 50%. (The margin account pays no interest.) A year later, the price of Internet Dreams has risen from $40 to $50, and the stock has paid a dividend of $2 per share.
a. What is the remaining margin in the account?
b. If the maintenance margin requirement is 30%, will Old Economy receive a margin call?

If you want to compare two different investments, what should you calculate

Carey company is borrowing $225,000 for one year at 9.5 percent from second intrastate bank. the bank requires a 15 percent compensating balance. the principal refers to funds the firm can effectively utilize (amount borrowed − compensating balance). a. what is the effective rate of interest? (use a 360-day year. input your answer as a percent rounded to 2 decimal places.) b. what would the effective rate be if carey were required to make 12 equal monthly payments to retire the loan?

The answer here, x=7, is not in the interval that you selected in the previous part. what is wrong with the work shown above?