옷가게 할인 받기

 

function solution(price) {
    const sale={
        500000:0.80,
        300000:0.90,
        100000:0.95,
        0:1.00,
    }
    var sales=0.0
    Object.keys(sale).forEach(
        e=> {
            if(e <= price){
                sales=sale[e]
            }
        }
    )
    return  parseInt(sales*price)
}