Refactor discounted ownership guidance

app/views/form/guidance/_financial_calculations_discounted_ownership.html.erb

@@ -1,14 +1,10 @@
-<% grant_page = log.form.get_question("grant", log).page %>
-<% mortgage_page = log.form.get_question("mortgage", log).page %>
-<% discount_page = log.form.get_question("discount", log).page %>
-<% deposit_page = log.form.get_question("deposit", log).page %>
 <%= govuk_details(summary_text: "How the financial values are calculated") do %>
   <p class="govuk-body">
-  The mortgage amount <%= "(#{govuk_link_to 'Q105', send("#{log.class.name.underscore}_#{mortgage_page.id}_path", log)})".html_safe if mortgage_page.routed_to?(log, current_user) %>
+  The mortgage amount <%= question_link("mortgage", log, current_user) %>
-   cash deposit <%= "(#{govuk_link_to 'Q109', send("#{log.class.name.underscore}_#{deposit_page.id}_path", log)})".html_safe if deposit_page.routed_to?(log, current_user) %>
+   cash deposit <%= question_link("deposit", log, current_user) %>
-   and grant <%= "(#{govuk_link_to 'Q102', send("#{log.class.name.underscore}_#{grant_page.id}_path", log)})".html_safe if grant_page.routed_to?(log, current_user) %>
+   and grant <%= question_link("grant", log, current_user) %>
    added together must equal
-   the purchase price (<%= govuk_link_to "Q101", send("#{log.class.name.underscore}_#{log.form.get_question('value', log).page.id}_path", log) %>)
+   the purchase price <%= question_link("value", log, current_user) %>
-   multiplied by the discount stake <%= "(#{govuk_link_to '103', send("#{log.class.name.underscore}_#{discount_page.id}_path", log)})".html_safe if discount_page.routed_to?(log, current_user) %>
+   multiplied by the discount stake <%= question_link("discount", log, current_user) %>
    </p>
 <% end %>

app/views/form/guidance/_financial_calculations_shared_ownership.html.erb

@@ -5,8 +5,8 @@
    and cash discount <%= question_link("cashdis", log, current_user) %>
    added together must equal
    the purchase price <%= question_link("value", log, current_user) %>
-   <% stairbought_page = log.form.get_question('stairbought', log).page %>
+   <% stairbought_page = log.form.get_question("stairbought", log).page %>
-   <% equity_page = log.form.get_question('equity', log).page %>
+   <% equity_page = log.form.get_question("equity", log).page %>
    <% if stairbought_page.routed_to?(log, current_user) %>
       multiplied by the percentage bought <%= question_link("stairbought", log, current_user) %>
     <% else %>