Answer:$412.75
Explanation:
If they up sell by 27% you would need to take the original price of $325 and find 27% of that. To do this, multiply 325x.27 (.27 is 27% converted to a decimal) which is = to 87.75 you then need to add $87.75 to $325 which will get you $412.75.
B, isolation, would be the best answer.
I believe that the answer is active characterization because all of the characters are doing something. For example, the parents cleaned up the kitchen while the children are playing a game.