public int calcBetResult (int winningNumber) {
		
		boolean betWin = checkForWin (winningNumber);
		
		//	evaluate win coins
		int betResult = 0;
		
		if (betWin) {
			betResult = stake * rate;
		} else {
			betResult = stake * -1;		// loose stake
		}
		
		return betResult;
	}