Which of the following statements about the economic impact of the COVID-19 pandemic is true? a. The huge stimulus packages adopted by the federal government did a lot to reduce the economic damage. b. Most of the economic impact, such as layoffs, was felt by people who were low-income to begin with -- servers, cooks, and counter-workers at restaurants, people who worked at retail stores, and so on, that were more likely to close. c. The wealth of the wealthiest increased substantially. d. All of these answers are true