A firm put 4 900 units into production at a total cost of N$60 825. Normal spoilage for general production was estimated to be 3%. At the end of the production process only 4 650 units were good. It was further estimated that the spoiled units would have a salvage value of N$5.35 each. Determine the value of abnormal gain/loss in the process account for the period: Select one: a. N$1 337.50 Abnormal loss b. N$551.05 Abnormal loss c. N$ 786.45 Abnormal loss d. None of all e. N$1301.07 Abnormal gain