4. (5 points) Currently wages show signs of increasing in the United States as the economy continues to recover from the pandemic. Companies are having trouble hiring workers and often higher wages are also not enough to convince workers to accept jobs at many companies. Explain how the shortage is due to a change in demand for workers and a change in supply of workers during the recovery from the pandemic. You must explain why demand for workers is low or high and why supply of workers is low or high