[프로그래머스]옷가게 할인 받기

int solution(int price) {
    
    if (price >= 500000) {
        price = price * 0.8;
    } else if (price >= 300000) {
        price = price * 0.9;
    } else if (price >= 100000) {
        price = price * 0.95;
    }
    
    return price;
}