Use case testing is useful for which of the following(with reference to the following passage)? Designing acceptance tests with users or customers.Q. Making sure that the mainstream business processes are tested.R. Finding defects in the interaction between components.S. Identifying the maximum and minimum values for every input field.T. Identifying the percentage of statements exercised by a sets of tests.
A. P, Q and R B. Q, S and T C. P,Q and S D. R, S and T