small shop

function shop(input) {
    let productName = input.shift();
    let city = input.shift();
    let quantity = Number(input.shift());
    let price = 0;
    if (city == "Sofia") {
        if (productName == "coffee") {
            price = quantity * 0.50;
        } else if (productName == "water") {
            price = quantity * 0.80;
        } else if (productName == "beer") {
            price = quantity * 1.20;
        } else if (productName == "sweets") {
            price = quantity * 1.45;
        } else if (productName == "peanuts") {
            price = quantity * 1.60;
        }
    }

    if (city == "Plovdiv") {
        if (productName == "coffee") {
            price = quantity * 0.40;
        } else if (productName == "water") {
            price = quantity * 0.70;
        } else if (productName == "beer") {
            price = quantity * 1.15;
        } else if (productName == "sweets") {
            price = quantity * 1.30;
        } else if (productName == "peanuts") {
            price = quantity * 1.50;
        }
    }
    if (city == "Varna") {
        if (productName == "coffee") {
            price = quantity * 0.45;
        } else if (productName == "water") {
            price = quantity * 0.70;
        } else if (productName == "beer") {
            price = quantity * 1.10;
        } else if (productName == "sweets") {
            price = quantity * 1.35;
        } else if (productName == "peanuts") {
            price = quantity * 1.55;
        }
    }
    console.log(price.toFixed(2));
}

shop(["water", "Plovdiv", 3]);