def _item_prices_in_category(which_category)
      @virtual_server.upgrade_options.select { |item_price| item_price['categories'].find { |category| category['categoryCode'] == which_category } }
    end
def _item_prices_in_category(which_category)
      @virtual_server.upgrade_options.select { |item_price| item_price['categories'].find { |category| category['categoryCode'] == which_category } }
    end
Returns a list of the update item prices, in the given category, for the server