Logistics

function logistics(input) {
    let loads = Number(input[0]);

    let vanPrice = 200;
    let truckPrice = 175;
    let trainPrice = 120;

    let vanLoads = 0;
    let truckLoads = 0;
    let trainLoads = 0;

    let price = 0;
    let totalPrice = 0;

    for (let i = 1; i <= loads; i++) {
        let tons = Number(input[i]);

        if (tons <= 3) {
            vanLoads += tons;
            price = tons * vanPrice;
            totalPrice += price;
        } else if (tons <= 11) {
            truckLoads += tons;
            price = tons * truckPrice;
            totalPrice += price
        } else {
            trainLoads += tons;
            price = tons * trainPrice;
            totalPrice += price;
        }
    }
    let totalLoads = vanLoads + truckLoads + trainLoads;
    let averagePrice = totalPrice / totalLoads;
    console.log(averagePrice.toFixed(2));
    console.log(`${(vanLoads / totalLoads * 100).toFixed(2)}%`);
    console.log(`${(truckLoads / totalLoads * 100).toFixed(2)}%`);
    console.log(`${(trainLoads / totalLoads * 100).toFixed(2)}%`);
}