public JsonResult Get([FromQuery] string price, [FromQuery] string zipCode) // I decided to take params in as strings to allow validation to happen under my control
        {
            JsonResult response;

            try
            {
                response = new JsonResult(_taxCalculatorService.CalculateTax(_taxInputUtility.ValidatePrice(price), _taxService.GetByZipCode(_taxInputUtility.ValidateZipCode(zipCode))));
            }
            catch (ArgumentException e)
            {
                response = new JsonResult(new ErrorResponse(e.Message));
            }
            return(response);
        }