A process consists of steps$$ A$,$ B$,$ and C with capacities of $50$ units per$$ hour, $40$ units per$$ hour, and $60$ units per hour respectively. Which of the following statements is$$ best?

Part $2$

A$.$

There should be a small amount of inventory in front of step B$.$

B$.$

If step A is improved so it can produce one unit per$$ minute, the company has saved about $8$ minutes per hour.

C$.$

If demand is $50$ units per$$ hour, the manager should try to balance capacity with demand so that steps$$ A$,$ B$,$ and C each have a capacity of $50$ units per hour.

D$.$

There should be a small amount of inventory in front of step C$.$