A continuously operated rotary dryer is used to dry 12 kgh of coconut pulp containing 25% of moisture (wet weigh basis) to give a product containing no more than 10% moisture. What is the dry weight of the coconut pulp after drying?
a) 8.4 kgh
b) 9.6 kgh
c) 10.8 kgh
d) 11.2 kgh