Previously, Management Calculated the Number of Kanban Cards Allowed by Using

Multiple Choice

Previously, management calculated the number of kanban cards allowed by using a value of 1.3 for X. Assuming nothing else (e.g., usage rates, container capacities, etc.) , which of the following values for X would indicate management's belief that the system has become more efficient?

A) 2.6
B) 2.3
C) 1.5
D) 1.4
E) 1.2