AssessmentAnywhere.Services.GradeBoundariesExtensions.ForResult C# (CSharp) Method

        public static string ForResult(this IEnumerable<IBoundary> boundaries, decimal? result)
        {
            if (result.HasValue)
            {
                var match =
                    boundaries.Where(boundary => result.Value >= boundary.MinResult)
                              .OrderByDescending(boundary => boundary.MinResult)
                              .FirstOrDefault();
                if (match != null)
                {
                    return match.Grade;
                }
            }

            return string.Empty;
        }