Which of the following does not explain the prevalence of "fouled-up" reward systems (i.e., which of the following does not provide a good explanation for why reward systems are often 'fouled-up)'? Rewarding the desired behavior even though it is professed that the behavior is not desired. Prevalence of traitorous employees, i.e. employees regularly sabotage their organizations. Difficulty of assessing certain tasks, i.e., it is difficult to measure certain employee tasks, which makes it harder to provide incentives that reward effort or achievement in such tasks. Ease of rewarding more visible tasks, i.e., it is easier to structure incentives to reward things that are easily observed rather than to reward things that are harder to observe