Answer:
c. perform ratio and trend analysis compare the cost of raw materials purchased with the cost of goods produced.
Step-by-step explanation:
The fraud can be detected by performing ratio and trend analysis in order to know if the company financial state is becoming higher or lower by then comparing it with the cost of raw materials which was purchase with the cost of goods sold.
This will enable us to know the actual amount of the purchase made in the company and the cost of the goods they have sold at that particular time. If their is any discrepancy it simply means fraudulent act has been committed.