Courier Express

function courierExpress(input) {
    let weight = Number(input[0]);
    let service = input[1];
    let distance = Number(input[2]);

    let kmPrice = 0;

    if (weight < 1) {
        kmPrice = 0.03;
    } else if (weight >= 1 && weight < 10) {
        kmPrice = 0.05;
    } else if (weight >= 10 && weight < 40) {
        kmPrice = 0.1;
    } else if (weight >= 40 && weight < 90) {
        kmPrice = 0.15;
    } else if (weight >= 90 && weight < 150) {
        kmPrice = 0.2;
    }

    let express = 0;

    if (service === "express") {
        if (weight < 1) {
            express = kmPrice / 100 * 80;
        } else if (weight >= 1 && weight < 10) {
            express = kmPrice / 100 * 40;
        } else if (weight >= 10 && weight < 40) {
            express = kmPrice / 100 * 5;
        } else if (weight >= 40 && weight < 90) {
            express = kmPrice / 100 * 2;
        } else if (weight >= 90 && weight < 150) {
            express = kmPrice / 100;
        }
    }
    let total = kmPrice * distance + express * weight * distance;
    console.log(`The delivery of your shipment with weight of ${weight.toFixed(3)} kg. would cost ${total.toFixed(2)} lv.`);
}