public void insurance() {
		double pBank = playerBank;
		double pBet = playerBet;

		if ((pBank -= (0.5) * pBet) >= 0) {
			System.out.println("Dealer's Visible Card is an Ace. "
					+ "Would you like to purchase Insurance? " + "(y/n): ");
			String playerAction = stringInput.nextLine();
			playerAction.toLowerCase();
			switch (playerAction) {
			case "y":
				playerBet += ((0.5) * playerBet);
				playerBank -= playerBet;
				playerBankString = formatter.format(playerBank);
				System.out.println("Current bet: " + playerBet);
				pBank = 0;
				pBet = 0;
				break;
			case "n":
				pBank = 0;
				pBet = 0;
				break;
			}
		}
	}