In the previous month, a business sold 10 000 units and achieved a total contribution of $60 000. Fixed costs were $10 000. Over this month, the sales volume decreased by 20% and the contribution per unit decreased by 10%. Fixed costs remained the same. By what amount will its profit fall this month compared with last month?
- A$6000
- B$16 800
- C$26 800
- D$43 200