13 000 units were introduced to a process in a period. The normal loss is 10 percent of the input. There is no opening or closing stock, Output in the process was 11 850 units. What was the abnormal loss/gain
a Abnormal gain 1070 unit
b. None of the options are correct
c. Abnormal loss 1070 units
d. Abnormal loss 150 units
e. Abnormal gain 150 units
Abnormal gain of 150 units