Dollar Bill Supermarket Is One of the Best in the City

Multiple Choice

Dollar Bill Supermarket is one of the best in the city. However, shoppers prefer other supermarkets to it as there is always a long queue at the billing counter. The outdated billing registers make the entire process inefficient. Which of the following steps should the supermarket management take to improve the billing process?

A) limit the number of products customers can buy
B) limit the number of customers in the supermarket
C) change the process structure
D) change process resources