public ActionResult TipCalculator(TipCalculatorRequest request)
        {
            if (ModelState.IsValid)
            {

                var calc = new TipCalculator();

                var tipData = new MVCappLabs.Models.Level1.TipCalculationRequest();
                tipData.MealCost = request.MealCost.Value;
                tipData.TipPercent = request.TipPercent.Value / 100;

                var response = calc.CalculateTip(tipData);

                return View("TipCalculatorResponse", response);

            }
            return View("TipCalculator");
        }
 //********Level 1 Labs **********
 public ActionResult TipCalculator()
 {
     var model = new TipCalculatorRequest();
     return View(model);
 }