For a firm producing at any level of output LOWER than the most profitable one,an increase in output adds:

A) more to total cost than to total revenue.
B) more to total revenue than to total cost.
C) the same amount to total revenue as to total cost.
D) to total revenue but not to total cost.

Total Cost

The overall expenditure incurred by a company in the production of goods or services, including fixed and variable costs.

Total Revenue

The total income generated from the sale of goods or services by a company.

Profitable One

An entity or venture that generates income exceeding its costs and expenses, thereby yielding a surplus or profit.