A business has 20 production workers. Each worker is employed for 40 hours per week and is paid at $7.80 per hour. Piece rate is worked out as 20% of the basic hourly rate for every item made beyond 120 units per employee. During one week, each employee made 145 units. What were the total wages for the week?
- A$7020
- B$9984
- C$10764
- D$10920