public void plusBonusScore(PinCount knockOverCount) {
		Integer knockOverPinCount = knockOverCount.intValue();

		if (getScoreStatus() == ScoreStatus.NEXT_BALL) {
			score += knockOverPinCount;
		}

		if (scoreStatus == ScoreStatus.NEXT_TWO_BALL) {
			scoreStatus = ScoreStatus.NEXT_BALL;
		} else if (scoreStatus == ScoreStatus.NEXT_BALL) {
			scoreStatus = ScoreStatus.FINAL;
		}
	}