// line 381
treasury.updateRentalRate(
    _oldOwner,
    _user,
    user[_oldOwner][index[_oldOwner][_market][_card]].price,
    _price,
    block.timestamp
);
transferCard(_market, _card, _oldOwner, _user, _price);
...
// line 449
treasury.updateRentalRate(
    _user,
    _user,
    _price,
    _currUser.price,
    block.timestamp
);
transferCard(_market, _card, _user, _user, _currUser.price);
