Say that a realtor suggests that you need a certain subjective requirement to be approved, but that the owner is somewhat flexible. Now, this is not a legal requirement, which would be illegal to break, but rather a subjective requirement, like that of an owner who wanted to make a decision on what requirements to make of the buyer before buying a house.
As a way to push things along, you offer a quantity of money to the realtor as a thanks for their time. In reality, you think of it as a sort of "bribe", to get them to do what you want, when they had previously made up their mind against your favor; but it's not really bribery, because you are not asking them to do anything illegal, only to try to convince the owner to decide in your favor. The compensation, as justified, is merely for the realtor's time and effort.
How would this circumstance be evaluated by ethical systems in philosophy?