Derek plans to buy a $$30,111\mathrm{.}00$ car. The dealership offers zero percent financing for $54\mathrm{.}00$ months with the first payment due at signing $($today$).$ Derek would be willing to pay for the car in full today if the dealership offers him $$\_\_\_\_$ cash back. He can borrow money from his bank at an interest rate of $5\mathrm{.}28\%.$