프로그래머스 - 옷가게 할인 받기

class Solution {
    public int solution(int price) {
        int answer = 0;
        if( price >= 500000) {
            answer = (int)(price*0.8);
        } else if( price >= 300000){
            answer = (int)(price * 0.9);
        }else if (price >= 100000){
            answer = (int)(price * 0.95);
        } else {
            answer = price;
        }
        return answer;
    }
}