Assignment: 1. Use the ABC information to compute the operating income of each customer in April. Comment on the results. 2. Anderson ranks the individual customers in the "Ma and Pa" single-store distribution market on the basis of operating income. The cumulative (revised) operating income of the top 20% of customers is $75,680. Ethical Drugs reports negative (revised) operating income of $31,247 for the bottom 40% of its customers. Make a few (say, four) recommendations that you think Ethical Drugs should consider in light of this new customer-profitability information