4. A manufacturing firm has seen operating margins decline each of the past four years due to higher-than-expected production costs from idle time, overtime, and reworking products. What questions should you ask to understand the problem? Select ALL that apply.

		Does the production scheduling system perform satisfactorily? If not, why not?
		What causes the overtime problem? Increasing sales, understaffed lines, inefficient workers?
		What economic conditions are affecting production costs?
		What collection procedures does the company employ? Are they adequate? If not, why not?