Returns the percentage that you currently increase or decrease your meat drops as a result of equipment, effects (including familiars) and area modifiers (such as on the sea floor).
Uses the baseline meat drop to determine how much you can expect to get, on average, from a given monster.
This goes one step further and calculates an average return per monster for a given location. It calls the preceeding function.
Returns 0.0 when not logged in.