b. percentage change; quantity demanded; percentage change; price
The answer is letter a, cosigner. Mark is a cosigner is someone who is in charged of the other person's debt when that person he's in signed with wasn't able to meet the requirements or fail to pay or comply. That is why Mark is considered to be a cosigner of Gabriel if Gabriel fails to comply to pay the loan and Mark is in charged to settle it if Gabriel fails to do so.
Answer: The correct answer is "the cost of internal control should not exceed its benefits"
Explanation: One factor limiting the likelihood of achieving those objectives is that the cost of internal control should not exceed its benefits. The cost of performing an internal control should never exceed the benefits that this may have as a result, since in that case its performance would be uneconomical.
