In part B, it is not that easy to excel given that the results is pass, fail and very few distinction.

I will say that if you are doing corporate work of cos it will be better that you have done ACP. You can find the issue easier and know where to look for answer and the law. However, if you are doing corporate work without any knowledge of ACP, i will not say it will be unfavourable, but rather you will need to spend more time finding and researching the answer.

You should know that working in a department without any prior knowledge will be very stressful and taxing on yourself end of the day. If you are in firms that are very busy and squeezy, i dont think you will have the extra time and effort to read up everything from scratch.