Answer:
The correct answer is A
Explanation:
Delegation is the term in accounting which is defined as the assignment of authority to some another person in order to carry out the particular activities. And the person or individual who delegate the work will remain accountable or responsible for the outcome or result of the work which is delegated.
So, in this case, Ruby need expertise of Katherine in writing a chapter and they signed a contract for the same but if Katherine delegates the work to Dana, then the delegation would not so effective as the duty involve the personal services.