Good price: <%= trade_item.single_price %>
Serve Price: <%= trade_item.additional_amount %>
<% trade_item.trade_promotes.each do |trade_promote| %>

<%= trade_promote.promote.name %>: <%= trade_promote.amount %>

<% end %>
<%= link_to 'edit', admin_trade_promotes_path(trade_item_id: trade_item.id), class: 'ui mini label' %>
Promote Price: <%= trade_item.reduced_amount %>
<% trade_item.trade_promotes.each do |trade_promote| %>

<%= trade_promote.promote.name %>: <%= trade_promote.amount %>

<% end %>
Final Price: <%= trade_item.amount %>