What hazards are Ukely to result from the following violations of good management control?

a. Accounts payable not kept current with changes in purchase order terms.

b. Marketing personnel are authorized to deal direcdy with suppliers.

c. Quality control department is organizationally responsible to the director of production.

d. Receiving department people are not telling purchasing department people that they are holding goods on the receiving dock pending receipt of copies of purchase orders.

e. Waiting until the end of a long-term project before checking on its status.