.9 million and $ 17.3 million , respectively . coworker stock purchase plan on january 1 , 2014 , the first offering period under the company 2019s coworker stock purchase plan ( the 201ccspp 201d ) commenced . the cspp provides the opportunity for eligible coworkers to acquire shares of the company 2019s common stock at a 5% ( 5 % ) discount from the closing market price on the final day of the offering period . there is no compensation expense associated with the cspp