Summer Shopping

function cruiseChip(input) {
    let budget = Number(input[0]);
    let towel = Number(input[1]);
    let discount = Number(input[2]);

    let umbrella = towel / 3 * 2;
    let flipFlops = umbrella * 0.75;
    let beachBag = (towel + flipFlops) / 3;

    let sum = (towel + umbrella + flipFlops + beachBag) * (100 - discount) / 100;

    if (budget >= sum) {
        console.log(`Annie's sum is ${sum.toFixed(2)} lv. She has ${(budget - sum).toFixed(2)} lv. left.`);
    } else {
        console.log(`Annie's sum is ${sum.toFixed(2)} lv. She needs ${(sum - budget).toFixed(2)} lv. more.`);
    }
    return;
}