Added capture of shop material rate.

BodyshopUploader/Utils/Decoder/EstimateDecoder.cs

@@ -618,6 +618,8 @@ namespace BodyshopPartner.Utils.Decoder
                                         break;
                                     case "MASH":
                                         j.rate_mash = readValues[7];
+                                        j.tax_shop_mat_rt = float.Parse(readValues[14].ToString()) / 100;
+
                                         break;
                                     case "MAHW": //TODO Should the remainder of these be index 7 or 11? 
                                         j.rate_mahw = readValues[7];