The margin requirement on a stock purchase is 50%, and the maintenance margin requirement is 30%. You fully use the margin allowed to purchase 1,000 shares of JPM at $60. Assume there are no dividends and that the interest rate on the margin loan is 5%. If one year has passed, what share price for JPM could trigger a margin call? 1) 42.86, 2) 45.00, 3) 48.00, 4) 48.33