12-25 (Objectives 12-1, 12-2) Anthony Liu, CPA, prepared the flowchart below that portrays the raw materials purchasing function of one of Anthonys clients, Medium-Sized Manufacturing Company, from the preparation of initial documents through the vouching of invoices for payment in accounts payable. Assume that all documents are prenumbered.

Required Identify the deficiencies in internal control that can be determined from the flowchart. Use the methodology discussed in this chapter. Include internal control deficiencies resulting from activities performed or not performed.