3. Business Combinations 2015 Acquisitions Smart Tuition On October 2, 2015 , we completed our acquisition of all of the outstanding equity, including all voting equity interests, of Smart, LLC (Smart Tuition). Smart Tuition is a leading provider of payment software and services for private schools and parents. The acquisition of Smart Tuition further expanded our offerings in the K-12 technology sector. We acquired Smart Tuition for $187.3 million in cash, net of closing adjustments including an adjustment of approximately $0.5 million during the three months ended March 31, 2016 which reduced our net cash outlay. On October 2, 2015 , we drew down a $186.0 million revolving credit loan under our 2014 Credit Facility (as defined in Note 8 below) to finance the acquisition of Smart Tuition. As a result of the acquisition, Smart Tuition has become a wholly-owned subsidiary of ours. We included the operating results of Smart Tuition as well as goodwill arising from the acquisition in our consolidated financial statements within the General Markets Business Unit ("GMBU") from the date of acquisition. For the three months ended March 31, 2016 , Smart Tuition's total revenue and operating income included in our consolidated financial statements was $9.2 million and $1.2 million , respectively. The preliminary purchase price allocation is based upon a preliminary valuation of assets and liabilities and the estimates and assumptions are subject to change as we obtain additional information during the measurement period, which may be up to one year from the acquisition date. The assets and liabilities pending finalization include the valuation of acquired intangible assets, the assumed deferred revenue and deferred taxes. Differences between the preliminary and final valuation could have a material impact on our future results of operations and financial position. The following table summarizes the allocation of the purchase price based on the estimated fair value of the assets acquired and the liabilities assumed: (dol