Answer:
I would say material costs and hiring costs, idk if that helps or not
Answer:
why are you advertising in brainly?????
A notification. In that instance the computer can't get feedback from user.
The answer to your question is,
D) Check their pulse.
((Well, some people say to place your ear over the persons mouth and watch for a rise and fall of the chest-- but that's not an answer nor does that really go with any of the answers provided so..))
-Mabel <3