A Supermarket Chain Is Receiving Complaints from Customers About the Long

A supermarket chain is receiving complaints from customers about the long waiting times for checkouts in the morning from 8:00 am to 9:00 am and in the evening between 5:00 pm and 9:00 pm.Which of the following modern management foundation approaches should the supermarket use address customers' complaints?

A) Quantitative Tools
B) Contingency Thinking
C) Operations Management
D) Knowledge Management
E) Learning organization