a) Internal controls play an important role in reducing the risks of fraudulent activities in any organization. Further, advanced technology helps accountants in reducing fraud. Explain how an advanced technology transaction processing system reduces fraudulent activities from any organizing. (200 words) b)What is the difference between purchase requisition and purchase order? c) Under what circumstances can you envision management using alternative one rather than alternative two? d) Some accountants argue that the receiving department should be eliminated. Discuss the objective of eliminating the receiving function. What accounting/audit problems need to be resolved