An 8-year-old child's use of autonomous morality to explain why another person behaved as she did suggests that the child's moral development is:

On-time

Explanation:

Autonomous morality is defined as feature that is present in children for understanding the regulation that are made by people for others .He/she tends to perceive moral reasoning for situation where mutual respect, settlement or cooperation is present through rules .

Child will able to understand that these rules for cooperation are implemented for the requirement, respect ,emotion and feelings of people. Autonomous morality is developed from age of about 7 years to 10 years old.

According to the question,autonomous morality is used by the 8-year old child for perceiving the behavior shown by a person is displaying that development of that child is happening as per on time i.e.-age of 8 years.

by using  production possibilities graph.  opportunity costs are key expenses in financial matters and are utilized as a part of registering money saving advantage investigation of a venture. such expenses, be that as it may, are not recorded in the record books but rather are perceived in basic leadership by processing the money costs and their subsequent benefit or misfortune.