06. Charity Campaign - Simple Operations and Calculations

function charityCampaign(input) {
    let days = Number(input.shift());
    let bakers = Number(input.shift());
    let cakes = Number(input.shift());
    let waffle = Number(input.shift());
    let pancakes = Number(input.shift());

    let cakePerDay = cakes * 45;
    let wafflePerDay = waffle * 5.80;
    let pancakesPerDay = pancakes * 3.20;
    let pricePerDay = (cakePerDay + wafflePerDay + pancakesPerDay) * bakers;

    let priceOfCampaign = pricePerDay * days;

    let summAfterExpense = priceOfCampaign - (priceOfCampaign * 0.125);

    console.log(summAfterExpense.toFixed(2));
}