# File lib/aws/ec2/reserved_instances_offering.rb, line 52
      def purchase options = {}
        options[:instance_count] = 1 unless options[:instance_count]
        options[:reserved_instances_offering_id] = id 
        response = client.purchase_reserved_instances_offering(options)
        ReservedInstances.new(response.reserved_instances_id, :config => config)
      end