The following data are provided for a surface mine to be excavated by a shovel:
Production target: 10000 te/shift
Available hours per shift: 6 hrs
Shovel loading cycles per hour: 10⁶
Bank density of the material mined: 2400 kg/m³
Swing factor at 120° swing: 0.91
Bucket fill factor : 0.64
Utilization of available time: 83%
No of working days in a year : 300
No of shifts per day : 3

The size of bucket of the shovel in m³ is

A. 5.55

B. 9.33

C. 11.22

D. 13.55

Answer: Option D