function fruit (input) {

fruit = input[0];
day = input[1];
quantity = Number(input[2]);

// switch (day){
//         case "Monday":
//         case "Tuesday":
//         case "Wednesday":
//         case "Thursday":
//         case "Friday":


if (day == "Monday" || day == "Tuesday" || day == "Wednesday" || day == "Thursday" || day == "Friday"){
        switch (fruit) {
            case "banana":
            console.log ((2.50 * quantity).toFixed(2))
            break;
            case "apple":
            console.log ((1.20 * quantity).toFixed(2))
            break;
            case "orange":
            console.log ((0.85 * quantity).toFixed(2))
            break;
            case "grapefruit":
            console.log ((1.45 * quantity).toFixed(2))
            break;
            case "kiwi":
            console.log ((2.70 * quantity).toFixed(2))
            break;
            case "pineapple":
            console.log ((5.50 * quantity).toFixed(2))
            break;
            case "grapes":
            console.log ((3.85 * quantity).toFixed(2))
            break;
            default:console.log("error");break;
        }



            // case "Saturday":
            // case "Sunday":

     } else if (day == "Saturday" || day == "Sunday"){

            switch (fruit) {
                case "banana":
                console.log ((2.70 * quantity).toFixed(2))
                break;
                case "apple":
                console.log ((1.25 * quantity).toFixed(2))
                break;
                case "orange":
                console.log ((0.90 * quantity).toFixed(2))
                break;
                case "grapefruit":
                console.log ((1.60 * quantity).toFixed(2))
                break;
                case "kiwi":
                console.log ((3 * quantity).toFixed(2))
                break;
                case "pineapple":
                console.log ((5.60 * quantity).toFixed(2))
                break;
                case "grapes":
                console.log ((4.20 * quantity).toFixed(2))
                break;
                default:console.log("error");break;
            } }
            else {console.log("error")}
        }


fruit (["banana",
"Monday",
"3"])