Suppose that the overall price level increased between 2018 and 2019. During this time, technology improved, the education level of the labor force increased, consumer spending increased and investment spending increased. What must be true? Group of answer choices Between 2018 and 2019, the AD curve shifted farther to the right than the AS curve. Between 2018 and 2019, the AD curve shifted farther to the left than the AS curve. Between 2018 and 2019, the AS curve shifted farther to the right than the AD curve. Between 20185 and 2019, the AD curve and the AS curve shifted by the same amount, returning the economy to full employment