1. A firm has a machine that can produce a unit every 5 minutes. The machine supervisor things that the machine needs 20% for maintenance. Over the last few years, the firm has produced an average of 200 units per day.

   What is the management policy waste for this machine per day?

   	a.	88 units
   	b.	57.6 units
   	c.	30.4
   	d.	Cannot be determined from this information.