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