public static String extractMaintFee(String sourceText){
		String[] lines = sourceText.split("\n");
		String result = "";
		for (int i = 0; i < lines.length; i++) {
			if (lines[i].contains("Maint Fee")) {
				String[] subStrings = lines[i].split(" ");
				for (int j = 0; j < subStrings.length; j++) {
					if (subStrings[j].equals("Fee:")) {
						result = subStrings[j + 1];
						break;
					}
				}
				if (!result.equals(""))
					break;
			}
		}
		return result;
	}