Increased responsibility deserves increased compensation. Usually, if you're being given more responsibility, it comes with more stress and added workload, which you have achieved by displaying competency, aptitude, and adequate experience—at least in theory. Unfortunately, at times an employer might try and tell you that they're doing you a favor by bestowing increased responsibility upon you, and why should a favor get you a higher rate of pay? If anything, you should be paying them —they'd a…