flat:
  tariff_id: 1
  start_date: <%= Date.today.to_s(:db) %>
  amount: 50
free:
  tariff_id: 2
  start_date: <%= Date.today.to_s(:db) %>
  amount: 0
flat_future:
  tariff_id: 1
  start_date: <%= Date.today.next.to_s(:db) %>
  amount: 100