def METHOD_NAME(self, trade_original_info, ignore_fees=False):
    grid_fee_rate = self.grid_fee_rate if not ignore_fees else 0.0
    offer_rate = trade_original_info.propagated_offer_rate + grid_fee_rate
    trade_offer_info = TradeBidOfferInfo(
        original_bid_rate=None,
        propagated_bid_rate=None,
        original_offer_rate=trade_original_info.original_offer_rate,
        propagated_offer_rate=offer_rate,
        trade_rate=trade_original_info.trade_rate)
    return trade_offer_info