Problem 3, Please show work!

A. You want to buy 50 shares of stock at $60 per share. You have a margin account. The initial margin is 60% and the maintenance margin is 35%. Calculate the maximum amount of cash you may borrow to be able to make this purchase.

B. You want to buy 50 shares of stock at $60 per share. You borrow $1,000 on margin. The initial margin is 60% and the maintenance margin is 35%. Calculate the price below which you will receive a margin call.