A loss is when:

A. Revenue is greater than expenses

B. Revenue is less than expenses

C. Revenue is equal to expenses

D. None of the above

B because revenue is your profit and when you bring in less than what you are spending then you are at a loss.

B. Revenue is less than expenses is the correct answer.

Explanation:

A loss is when Revenue is less than expenses.

Revenue is the total income earned by a business, while expense is a total cost acquired in the process of a business plan.

Expense are of several types such as cost required to sell the good, marketing, promotion, wages given to the worker, rent to set up a business, etc.

Revenue loss occurs when a business gets profit less from plans than the investment made in the business.