Net income after taxes of $1.14 billion in 2020 at Discover Financial Services (DFS) declined 61.4% versus 2019. Revenue net of interest expense of $11.09 billion dropped 3.2%. Purchase volume generated by Discover brand credit and prepaid cards slipped to $142.80 billion, a decline of 2.3% from 2019. Cash advances on credit cards at $11.14 billion were down 21.0%. Total volume, which combines purchase volume and credit card cash advances, dropped 4.0% to $153.94 billion. Credit card cash volume accounted for 7.24% of total volume, down from 8.80% in 2019. The number of credit cards in c...