def combo_deals(item_number, options={})
      options = {sub_category: -1, sort_field: 0, page_number: 1}.merge(options)
      params = {
          'SubCategory' => options[:sub_category],
          'SortField'   => options[:sort_field],
          'PageNumber'  => options[:page_number]
      }
      JSON.parse(api_get('Products.egg', item_number, 'ComboDeals', params).body)
    end
def combo_deals(item_number, options={})
      options = {sub_category: -1, sort_field: 0, page_number: 1}.merge(options)
      params = {
          'SubCategory' => options[:sub_category],
          'SortField'   => options[:sort_field],
          'PageNumber'  => options[:page_number]
      }
      JSON.parse(api_get('Products.egg', item_number, 'ComboDeals', params).body)
    end
retrieve product combo deals given an item number

 @param [String] item_number of the product
 @param [Integer] sub_category
 @param [Integer] sort_field
 @param [Integer] page_number