See the diagram below:
In order to test the purchase of school supplies, logical test cases must be created based on the
data combination test. It has been agreed in this instance that a medium depth test is required.
This means that all data must be subjected to pairwise testing:

What is the minimum number of test cases that will be generated by applying the pairwise testing
technique? (What is “N” at a minimum?)

A.
4

B.
6

C.
16

D.
32

Explanation: