A firm has total revenue of $100, cost of goods sold of $40, operating expenses of $40 and non-operating expenses of $10. It has income tax rate of 20% and it pays $4 dividend. Which of the following is correct?

Group of answer choices

It has a gross profit of $10.

It has a gross profit of $60.

It has a net profit of $8.

It has a net profit of $6.