Small Shop

function smallShop(input){
    let product = input.shift();
    let city = input.shift();
    let quantity = Number(input.shift());

    let totalPrice = 0;
    if (city === "Sofia"){
        switch (product) {
            case 'coffee' :
                totalPrice = 0.50 * quantity;
            break;
            case 'water' :
                totalPrice = 0.80 * quantity;
            break;
            case 'beer' :
                totalPrice = 1.20 * quantity;
            break;
            case 'sweets' :
                totalPrice = 1.45 * quantity;
            break;
            case 'peanuts' :
                totalPrice = 1.60 * quantity;
            break;
        }
    } else if (city === "Plovdiv"){
        switch (product) {
            case 'coffee' :
                totalPrice = 0.40 * quantity;
            break;
            case 'water' :
                totalPrice = 0.70 * quantity;
            break;
            case 'beer' :
                totalPrice = 1.15 * quantity;
            break;
            case 'sweets' :
                totalPrice = 1.30 * quantity;
            break;
            case 'peanuts' :
                totalPrice = 1.50 * quantity;
            break;
        }
    } else {
        switch (product) {
            case 'coffee' :
                totalPrice = 0.45 * quantity;
            break;
            case 'water' :
                totalPrice = 0.70 * quantity;
            break;
            case 'beer' :
                totalPrice = 1.10 * quantity;
            break;
            case 'sweets' :
                totalPrice = 1.35 * quantity;
            break;
            case 'peanuts' :
                totalPrice = 1.55 * quantity;
            break;
        }
    }
    console.log(totalPrice);
}

smallShop(["coffee", "Varna", "2"])