displays managing agents of merged organisation selected as owning org

app/models/form/lettings/questions/managing_organisation.rb

@@ -30,7 +30,11 @@ class Form::Lettings::Questions::ManagingOrganisation < ::Form::Question
     orgs = if user.support?
              log.owning_organisation.managing_agents
            else
-             user.organisation.managing_agents
+            if user.organisation.absorbed_organisations.include?(log.owning_organisation)
+             user.organisation.managing_agents + log.owning_organisation.managing_agents
+            else
+              user.organisation.managing_agents
+            end
            end.pluck(:id, :name).to_h
 
     user.organisation.absorbed_organisations.each do |absorbed_org|

spec/models/form/lettings/questions/managing_organisation_spec.rb

@@ -172,15 +172,28 @@ RSpec.describe Form::Lettings::Questions::ManagingOrganisation, type: :model do
         create(:lettings_log, owning_organisation: absorbing_org, managing_organisation: nil)
       end
 
-      let(:options) do
+      it "displays merged organisation on the list of choices" do
-        {
+        options = {
           "" => "Select an option",
           absorbing_org.id => "Absorbing org (Your organisation)",
           merged_org.id => "Merged org (active until 2 August 2023)",
+          merged_org.id => "Merged org (active until 2 August 2023)",
         }
+        expect(question.displayed_answer_options(log, user)).to eq(options)
       end
 
-      it "displays merged organisation on the list of choices" do
+      it "displays managing agents of merged organisation selected as owning org" do        
+        managing_agent = create(:organisation, name: "Managing org 1") 
+        create(:organisation_relationship, parent_organisation: merged_org, child_organisation: managing_agent)
+
+        options = {
+          "" => "Select an option",
+          merged_org.id => "Merged org (active until 2 August 2023)",
+          absorbing_org.id => "Absorbing org (Your organisation)",
+          managing_agent.id => "Managing org 1",
+        }
+        
+        log.update!(owning_organisation: merged_org)
         expect(question.displayed_answer_options(log, user)).to eq(options)
       end
     end