mobile operator1

function mobileOperator(input) {
    let durationOfContract = input[0];
    let typeOfContract = input[1];
    let mobileInternet = input[2];
    let monthsCount = Number(input[3]);
    let price = 0;
    let totalPrice = 0;

    switch (durationOfContract) {
        case "one":
            switch (typeOfContract) {
                case "Small":
                    price = 9.98;
                    break;
                case "Middle":
                    price = 18.99;
                    break;
                case "Large":
                    price = 25.98;
                break;
                case "ExtraLarge":
                    price = 35.99;
                    break;
            }
            break;
        case "two":
            switch (typeOfContract) {
                case "Small":
                    price = 8.58;
                    break;
                case "Middle":
                    price = 17.09;
                    break;
                case "Large":
                    price = 23.59;
                break;
                case "ExtraLarge":
                    price = 31.79;
                    break;
            }
            break;
        }

    if (durationOfContract === "one" && mobileInternet === "yes" ) {
        if (price <= 10) {
            price = price + 5.50;
        }
        else if (price <= 30) {
            price = price + 4.35;
        }
        else if (price > 30) {
            price = price + 3.85;
        }

        if (durationOfContract === "two" && mobileInternet === "yes") {
            price = price - (price * 0.0375);
        } else if (mobileInternet === "no") {
            price = price;
        }

        totalPrice = price * monthsCount;

        console.log(`${totalPrice.toFixed(2)} lv.`);
    }
}