Answer:
D. bullwhip effect.
Explanation:
Its a Phenomena that explains how small fluctuations in demand at retail level can cause larger fluctuations in demand at the whole sale
Answer: Discuss with Delroy's parent regarding his situation.
Explanation:
According to the situation mentioned in question , Delroy might not be progressing well in math subject due top which his teacher,Lopez is concerned.Before consulting any special education program for further action for Delroy, she should contact his parents.
By reporting and sharing the issue with Delroy's parents, she might get to know the cause of low progress or find a different way to deal with the concern.In this way she herself can support Delroy to improve in math along with his parents help.