01. Car Wash

function carWash (commands) {
    let value = 0;

    while (commands.length !== 0){
        switch (commands.shift()) {
            case 'soap':
                value += 10;
                break;
            case 'water':
                value *= 1.2;
                break;
            case 'vacuum cleaner':
                value *= 1.25;
                break;
            case 'mud':
                value *= 0.9;
                break;

        }
    }
    console.log(`The car is ${value.toFixed(2)}% clean.`)
}