fruitShop

function fruitShop(input) {
    let fruit = String(input[0]);
    let day = String(input[1]);
    let quantity = Number(input[2]);
    let sum;
    // плод (banana / apple / orange / grapefruit / kiwi / pineapple / grapes)
    // ден от седмицата (Monday / Tuesday / Wednesday / Thursday / Friday / Saturday / Sunday)
    if (day == "Monday" || day == "Tuesday" || day == "Wednesday" || day == "Thursday" || day == "Friday") {
            switch (fruit) {
                case "banana":
                    sum = quantity * 2.5;
                    console.log(sum.toFixed(2));
                    break;
                case "apple":
                    sum = quantity * 1.2;
                    console.log(sum.toFixed(2));
                    break;
                case "orange":
                    sum = quantity * 0.85;
                    console.log(sum.toFixed(2));
                    break;
                case "grapefruit":
                    sum = quantity * 1.45;
                    console.log(sum.toFixed(2));
                    break;
                case "kiwi":
                    sum = quantity * 2.70;
                    console.log(sum.toFixed(2));
                    break;
                case "pineapple":
                    sum = quantity * 5.50;
                    console.log(sum.toFixed(2));
                    break;
                case "grapes":
                    sum = quantity * 3.85;
                    console.log(sum.toFixed(2));
                    break;
                default:
                    console.log("error");
                    break;
            }
    } else if (day == "Saturday" || day == "Sunday") {
            switch (fruit) {
                case "banana":
                    sum = quantity * 2.7;
                    console.log(sum.toFixed(2));
                    break;
                case "apple":
                    sum = quantity * 1.25;
                    console.log(sum.toFixed(2));
                    break;
                case "orange":
                    sum = quantity * 0.9;
                    console.log(sum.toFixed(2));
                    break;
                case "grapefruit":
                    sum = quantity * 1.6;
                    console.log(sum.toFixed(2));
                    break;
                case "kiwi":
                    sum = quantity * 3;
                    console.log(sum.toFixed(2));
                    break;
                case "pineapple":
                    sum = quantity * 5.60;
                    console.log(sum.toFixed(2));
                    break;
                case "grapes":
                    sum = quantity * 4.2;
                    console.log(sum.toFixed(2));
                    break;
                default:
                    console.log("error");
                    break;
        }
    } else {
        console.log("error");
    }
}