public static double incrementPrice(double price) {
        double newPrice;
        if (price >= 100.0) {
            newPrice = price + 10.0;
        } else if (price >= 50.0) {
            newPrice = price + 5.0;
        } else if (price >= 30.0) {
            newPrice = price + 2.0;
        } else if (price >= 20.0) {
            newPrice = price + 1.0;
        } else if (price >= 10.0) {
            newPrice = price + 0.5;
        } else if (price >= 6.0) {
            newPrice = price + 0.2;
        } else if (price >= 4.0) {
            newPrice = price + 0.1;
        } else if (price >= 3.0) {
            newPrice = price + 0.05;
        } else if (price >= 2.0) {
            newPrice = price + 0.02;
        } else {
            newPrice = price + 0.01;
        }

        newPrice = Double.parseDouble(formatPrice(newPrice));
        return newPrice;
    }