QUESTION $8$ Why is it necessary to carry out acceptance testing? The test group may not be competent enough. To receive the final payment for the completed product. O Over $50\%$ of the faults are found at the acceptance test phase. It is not until this stage of the testing that the system as a whole $($hardware and software$)$ is exercised. The users may use a combination of functions and data that are not anticipated by the developers.