Tony's marginal income tax rate is 30% and he is subject to FICA taxes of 7.65% on all his wages. His employer offered him a choice between an additional 5000 of cash or non taxable fringe benefits that would cost tony 3000 to purchase directly. If he takes the cash and pays for the benefit himself, how much better off worse off is he? a- 500 better off b- 117 better off c- 500 worse off d- 117 worse off