easter party

function easterParty(arg1, arg2, arg3) {
    let guestsCount = Number(arg1);
    let coverPriceForMan = Number(arg2);
    let budget = Number(arg3);

    if (guestsCount >= 10 && guestsCount <= 15) {
        price = coverPriceForMan * 0.85;
    } else if (guestsCount >= 15 && guestsCount <= 20) {
        price = coverPriceForMan * 0.8;
    } else if (guestsCount > 20) {
        price = coverPriceForMan * 0.75;
    }

    let cakePrice = 0.1 * budget;
    let totalMoney = guestsCount * coverPriceForMan + cakePrice;

    if (budget >= totalMoney) {
        console.log(`It is party time! ${(budget - totalMoney).toFixed(2)} leva left.`);
    } else if (budget < totalMoney){
        console.log(`No party! ${(totalMoney - budget).toFixed(2)} leva needed.`);
    }
}

easterParty("24", "35", "550");