A company gives the following data about its carriage costs. Units transported and total cost ($): 2000 units: 6000 5000 units: 13500 If more than 5000 units are transported, the cost will raise the fixed charge by another $2000. What would the cost be to transport 6000 units?
- A$15500
- B$16200
- C$18000
- D$20000