Which of the following groups contain three test inputs that would be generated using Boundary Value Analysis?

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.

  • A. 5, 6, 20
  • B. 4, 5, 80
  • C. 4, 5, 99
  • D. 1, 20, 100

Answer: Option C