hi uys,
need your advices on control char for a question
what do you think and why

q117 Your compagny manufactures bearings for the automobile industry. Control charts are used to determine wheather or not a process is stable or has preditcable performance. Specification limits indicate :
A ) If process is within control limits
B ) Wheather the product would be successful in the market
C ) Maximum and minimum values allowed
D ) Process improvement opportunities.