feat: income, benefits and outgoings numbering

app/models/form/sales/questions/buyer1_income.rb

@@ -12,5 +12,6 @@ class Form::Sales::Questions::Buyer1Income < ::Form::Question
     @width = 5
     @prefix = "£"
     @check_answers_card_number = 1
+    @question_number = 67
   end
 end

app/models/form/sales/questions/buyer1_income_known.rb

@@ -10,6 +10,7 @@ class Form::Sales::Questions::Buyer1IncomeKnown < ::Form::Question
       "income1" => [0],
     }
     @check_answers_card_number = 1
+    @question_number = 67
   end
 
   ANSWER_OPTIONS = {

app/models/form/sales/questions/buyer1_mortgage.rb

@@ -7,6 +7,7 @@ class Form::Sales::Questions::Buyer1Mortgage < ::Form::Question
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @check_answers_card_number = 1
+    @question_number = 68
   end
 
   ANSWER_OPTIONS = {

app/models/form/sales/questions/buyer2_income.rb

@@ -12,5 +12,6 @@ class Form::Sales::Questions::Buyer2Income < ::Form::Question
     @width = 5
     @prefix = "£"
     @check_answers_card_number = 2
+    @question_number = 69
   end
 end

app/models/form/sales/questions/buyer2_income_known.rb

@@ -10,6 +10,7 @@ class Form::Sales::Questions::Buyer2IncomeKnown < ::Form::Question
       "income2" => [0],
     }
     @check_answers_card_number = 2
+    @question_number = 69
   end
 
   ANSWER_OPTIONS = {

app/models/form/sales/questions/buyer2_mortgage.rb

@@ -7,6 +7,7 @@ class Form::Sales::Questions::Buyer2Mortgage < ::Form::Question
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @check_answers_card_number = 2
+    @question_number = 70
   end
 
   ANSWER_OPTIONS = {

app/models/form/sales/questions/housing_benefits.rb

@@ -6,6 +6,7 @@ class Form::Sales::Questions::HousingBenefits < ::Form::Question
     @header = "#{joint_purchase ? 'Were the buyers' : 'Was the buyer'} receiving any of these housing-related benefits immediately before buying this property?"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
+    @question_number = 71
   end
 
   ANSWER_OPTIONS = {

app/models/form/sales/questions/prevown.rb

@@ -6,6 +6,7 @@ class Form::Sales::Questions::Prevown < ::Form::Question
     @header = "Has the buyer previously owned a property?"
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
+    @question_number = 73
   end
 
   ANSWER_OPTIONS = {

app/models/form/sales/questions/prevshared.rb

@@ -7,6 +7,7 @@ class Form::Sales::Questions::Prevshared < ::Form::Question
     @type = "radio"
     @answer_options = ANSWER_OPTIONS
     @hint = "For any buyer"
+    @question_number = 74
   end
 
   ANSWER_OPTIONS = {

app/models/form/sales/questions/savings.rb

@@ -9,5 +9,6 @@ class Form::Sales::Questions::Savings < ::Form::Question
     @prefix = "£"
     @step = 1
     @min = 0
+    @question_number = 72
   end
 end

app/models/form/sales/questions/savings_nk.rb

@@ -16,6 +16,7 @@ class Form::Sales::Questions::SavingsNk < ::Form::Question
         },
       ],
     }
+    @question_number = 72
   end
 
   ANSWER_OPTIONS = {