Problem
On December 20, 2018, Cigna Corporation (Ticker: CI) completed their acquisition of Express Scripts.
Based on information that you are able to find related to this acquisition, please answer the following questions:
a) As of December 31, 2018, how much Goodwill was recorded as a result of this "Business Combination"?
b) As of December 31, 2019, did the amount of Goodwill related to this "Business Combination" change?