Which of the following statements are true when making decisions using cost volume profit analysis?

A. As long as the contribution margin is a positive number, net income will be positive

B. As long as variable costs are more then fixed costs, net income will be negative

C. As long as the contribution margin is greater than the fixed costs, net income will be positive

D. As long as the sales price per unit is greater than fixed costs per unit, net income will be positive