dirty commit: can't get references to work correctly between any tables

app/presenters/dashboard/analyze/graph/column/income_column/unknown.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+module Analyze
+  module Graph
+    module Column
+      module IncomeColumn
+        class Unknown < GroupedBarColumnPresenter
+          include Analyze::Graph::Column::IncomeColumn::ScoreForIncome
+          include Analyze::Graph::Column::IncomeColumn::IncomeCount
+          def label
+            ["Unknown"]
+          end
+
+          def show_irrelevancy_message?
+            false
+          end
+
+          def show_insufficient_data_message?
+            false
+          end
+
+          def income
+            Income.find_by_designation "Unknown"
+          end
+        end
+      end
+    end
+  end
+end