double Monday = 100;
    double Tuesday = 121;
    double Wednesday = 117;
    double dailyAverage = 0;
    double monthlyAverage = 0;
    double monthlyProfit = 0;
    dailyAverage = (Monday+Tuesday+Wednesday)/3;
    monthlyAverage = dailyAverage*30;
    monthlyProfit = monthlyAverage*0.18;
    System.out.println("Daily Average:   " +dailyAverage);
    System.out.println("Monthly Average: " +monthlyAverage);
    System.out.println("Monthly Profit:  $" +monthlyProfit);