function calculateLTT(price) {
	var ltt;
	var regex = /^[0-9]*\.?[0-9]{2}?$/;
	if (!regex.test(price)) {
		alert('Please enter a valid number.  No $ signs.');	
	} else {
		if (price < 55000.01) {
	 		ltt = price * 0.005;
	 	} else if (price > 55000) { 
	 		if (price < 250000.01) {
	 			ltt = (price * 0.010) - 275;
	 		}
	 		else if (price < 400000.01) {
	 			ltt = (price * 0.015) - 1525;
	 		}
	 		else {
	 			ltt = (price * 0.020) - 3525;
	 		}
	 	}
	}
	return ltt;
}