Which of the following is a TRUE statement? The economic gap between the earning of higher-income people and the earnings of low-income people has remained unchanged in recent decades. In recent decades, the percentage of people who earn more than their parents did at the same age has remained steady. The economic gap between the earnings of higher-income people and the earnings of low-income people has increased sharply in recent decades. In recent decades, the percentage of people who earn more than their parents did at the same age has grown sharply