Capacity Planning Question
Two products A and B share the same machine capacity. Current planning information is shown below:
	Product A	Product B
Demand forecast (units / year)	9800	4700
Batch size (units / batch)	200	100
Standard processing time (hours / unit)	1.2	1.1
Standard setup time (hours / batch)	2.0	3.0
The company works 300 days per year and operates 2 shifts each day, each shift covering 8 hours per day.
We desire a 15 percent capacity cushion
Using the information provided, how many machines are needed if we desire a 15% capacity cushion?