Exhibits, Financial Statements Schedules4116. See Note 3 to our consolidated financial statements for additional information. We also have policies requiring our associates to respect the IP rights of others. This represents a decrease of 3,000 employees as compared to December 31, 2019. Voluntary attrition normally constitutes the significant majority of our attrition. In 2020, 72% of our people participated in the survey. The early part of his career was spent with Compaq and Digital Equipment Corporation. Prior to that, he served as our Assistant Corporate Controller from 2003 to 2004. Before Atos, Ms. Morgenstern was a partner with KPMG from 1998 to 2002. The COVID-19 pandemic continues to evolve. Costs associated with recruiting and training employees are significant. Increases in wages and other costs may put pressure on our profitability. There can be no assurance that we will be able to maintain such relationships. We also face considerable potential legal liability from a variety of other sources. Legal Proceedings" for more information. Item 1B. Unresolved Staff CommentsNone. Mine Safety DisclosuresNot applicable.16Table of Contents PART IIItem 5. The repurchase program does not have an expiration date. See Part I, Item 1A. Risk Factors. On April 20, 2020, we announced a security incident involving a Maze ransomware attack. This provision reduced the tax rate applicable to us for cash repatriated from India. For more information, see Note 15 to our consolidated financial statements. The Proposed Exit negatively impacted our revenues from banking clients by $118 million. These costs are affected by the impact of inflation. Net Income Net income was $1,392 million in 2020 and $1,842 million in 2019. DSO was 70 days as of December 31, 2020 and 73 days as of December 31, 2019. As of December 31, 2020, we had $193 million of unrecognized income tax benefits. We evaluate our estimates on a continuous basis. Such estimates and changes in estimates involve the use of judgment. Management's Discussion and Analysis of Financial Condition and Results of Operations." We entered into foreign exchange forward contracts scheduled to mature in 2021. Thus, our debt exposes us to market risk from changes in interest rates. Exhibits, Financial Statement Schedules(a) (1) Consolidated Financial Statements. Reference is made to the Index to Financial Statement Schedule on Page F-1. ( Director February 12, 2021John N. Fox, Jr./s/ LEO S. MACKAY, JR. Basis of Presentation, Principles of Consolidation and Use of Estimates. A portion of our real estate lease costs is subject to annual changes in the CPI. Acquisition-related costs are expensed in the periods in which the costs are incurred. Equity method investments are initially recorded at cost. Long-lived Assets and Finite-lived Intangible Assets. We account for the repurchased shares as constructively retired. We may enter into arrangements that consist of multiple performance obligations. Trade Accounts Receivable, Contract Assets and Contract Liabilities. The U.S. dollar is the functional currency for some of our foreign subsidiaries. Revenues are attributed to geographic regions based upon client location. Accordingly, pro forma results have not been presented. Accordingly, such expenses are included in our segment reporting as "unallocated costs". During 2020, we acquired a $26 million equity method investment in the technology sector. In July 2019, we appealed the High Court's orders before the