christmas preparation - viarno reshenie

function christmasPreparation(arg1, arg2, arg3, arg4) {
    let rollsOfPaper = Number(arg1);
    let rollsOfCloth = Number(arg2);
    let littersOfGlue = Number(arg3);
    let percent = Number(arg4);

    let paperPrice = rollsOfPaper * 5.80;
    let clothPrice = rollsOfCloth * 7.20;
    let gluePrice = littersOfGlue * 1.20;
    totalSum = paperPrice + clothPrice + gluePrice;
    sum = totalSum - (percent / 100) * totalSum;

    console.log(sum.toFixed(3));
}

christmasPreparation(2, 3, 2.5, 25);