PolicyParser.m

    //Pull all the policy option hash's into memory
    NSManagedObjectContext *managedObjectContext = [[SalesManager sharedSalesManager] managedObjectContext];
    NSExpressionDescription* objectIdDesc = [NSExpressionDescription new];
    objectIdDesc.name = @"objectID";
    objectIdDesc.expression = [NSExpression expressionForEvaluatedObject];
    objectIdDesc.expressionResultType = NSObjectIDAttributeType;

    NSFetchRequest *search = [NSFetchRequest fetchRequestWithEntityName:[ExtraPrice entityName]];
    search.resultType = NSDictionaryResultType;
    search.returnsDistinctResults = YES;
    search.propertiesToFetch = @[ @"extraHash", objectIdDesc ];

    NSArray *allHashes = [managedObjectContext executeFetchRequest:search error:nil];