function chocho(input) {

    let fruits = input[0];
    let dayOfWeek = input[1];
    let quantity  = Number(input[2]);

    let priceTotal = 0;

    if (dayOfWeek === "Monday" || "Tuesday" || "Wednesday" || "Wednesday" || "Thursday" || "Friday") {
         if(fruits === "banana") {
                priceTotal = 2.50 * quantity;
            } else if (fruits === "apple") {
                priceTotal = 1.20 * quantity;
            }else if(fruits === "orange") {
                priceTotal = 0.85 * quantity;
            }else if(fruits === "grapefruit") {
                priceTotal = 1.45 * quantity;
            }else if(fruits === "kiwi") {
                priceTotal = 2.70 * quantity;
            }else if(fruits === "pineapple") {
                priceTotal = 5.50 * quantity;
            }else if(fruits === "grapes") {
                priceTotal = 3.85 * quantity;
            } else {
                priceTotal = "error";
            }
        }
    else if (dayOfWeek === "Saturday" || "Sunday") {
         if(fruits === "banana") {
                priceTotal = 2.70 * quantity;
            } else if(fruits === "apple") {
                priceTotal = 1.25 * quantity;
            }else if(fruits === "orange") {
                priceTotal = 0.90 * quantity;
            }else if(fruits === "grapefruit") {
                priceTotal = 1.60 * quantity;
            }else if(fruits === "kiwi") {
                priceTotal = 3.00 * quantity;
            }else if(fruits === "pineapple") {
                priceTotal = 5.60 * quantity;
            }else if(fruits === "grapes") {
                priceTotal = 4.20 * quantity;
            } else {
                priceTotal = "error";
            }
        }
    else {
        priceTotal = "error";
    }

    if (priceTotal === "error") {
        console.log(`${priceTotal}`);
    } else {
        console.log(`${priceTotal.toFixed(2)}`);
    }
}
chocho(["apple","Monday","2"]);