4. Junior Ltd has two divisions A and B During July, the contribution margin in Division A was $60.000 The contribution margin ratio in Division B was 40%, and its sales were $250,000. Division B's sepment margin was 560,000 The common fixed expenses were $50,000, and the company's operating income was $20,000 What was the segment margin for Division A? Show any/all workings here: C 50 nan