Richmond, Va., 2018-Feb-23 — /EPR Retail News/ — CarMax, Inc. (NYSE:KMX), the nation's largest retailer of used cars, announced plans to provide one-time bonuses to most hourly and commissioned full-time and part-time associates as a result of the recently passed Tax Cuts and Jobs Act of 2017. Bonus amounts will vary from $200 up to $1,500 based on…