If the total cost of producing 10 units is $100 and the marginal cost of the eleventh unit is $21, then which of the following is NECESSARILY true?A．Total variable costs of 11 units are $121.B．Total fixed costs are $79.C．The marginal cost of the tenth unit is more than $21.D．The average total cost of 11 units is $11.
If the total cost of producing 10 units is $100 and the marginal cost of the eleventh unit is $21, then which of the following is NECESSARILY true?
A、Total variable costs of 11 units are $121.
B、Total fixed costs are $79.
C、The marginal cost of the tenth unit is more than $21.
D、The average total cost of 11 units is $11.
发布时间：2025-10-10 01:44:18
