09.Ski Trip

function trip (input){

let days = input[0];
let type= input[1];
let grade = input[2];

let priceRoom = 18
let priceA = 25
let priceP = 35

let day = days - 1

switch(type){
    case ("room for one person"):
        price = priceRoom * day
        break;

    case ("apartment"):
        if (day < 10){
            price = priceA * day * 0.7
        }else if (day >= 10 && day <= 15){
            price = priceA * day * 0.65}
            else if (day > 15){
                price = priceA * day * 0.5
            }
            break;
    case ("president apartment"):
        if (day < 10){
            price = priceP * day * 0.9
        }else if (day >= 10 && day <= 15){
            price = priceP * day * 0.85}
            else if (day > 15){
                price = priceP * day * 0.8
            }
            break;

        }
switch (grade){
    case ("positive"):
        price = price * 1.25
        break;
    case ("negative"):
        price = price * 0.9
        break;


}
console.log (price.toFixed(2))


}
trip (["30",
"president apartment",
"negative"])