Bill asks for help gathering the necessary parts from all over the store. After all, when you buy parts, you have to pick and choose the parts you want. You have to decide on a monitor, keyboard, case style, motherboard, chip and memory. And, then there are about 30 different disc drives to pick from. CD rom drives need to be selected.
Speakers have to be picked out.
This could take a while. But, Bill has luck. The salesman is willing to walk Bill around the store helping him make good selections. Besides, the guy is really curious about Bill. Bill seems to be an intelligent guy but does not seem to know much about the realities of the computer industry for some reason.