A wholesaler sells printer cartridges. The minimum order quantity is 5. There is a 20% discount for orders of 100 or more printer cartridges. You have been asked to prepare test cases using various values for the number of printer cartridges ordered.
Which of the following groups contain three test inputs that would be generated using Boundary Value Analysis?
A . 5, 6, 20
B . 4, 5, 80
C . 4, 5, 99
D . 1, 20, 100