Answer:
A. Produces the greatest good for the greatest number of people.
Step-by-step explanation:
Practical rules are ethical decisions that are made in business or any other organized setting. While the organization endeavors to make decisions that would benefit it, care should be taken that such decisions are not discriminatory, affecting a particular group. Such decisions should also not result in harm to any body.
Therefore, practical rule involves decisions which would result in the greater good for a greater number of people.