Answer:
Computer Monitors earned him maximum profit. For details, please check the attachment.
Explanation:
Please check the attachment.
Generally I'd recommend not buying one online, tends to be cheaper from a shop - and better used, although their are some risks with 2nd hand devices, I think the big price cut it worth it.
If you did want to buy online, maybe Amazon or Ebay?
your answer is c to what your looking for
Answer:
If one bulb goes out, the other bulbs will go out.
They are complicated to design and build.
