A natural disaster of Select one O a shifts the AD curve to the left resulting in the short run in a decrease in the price level and an increase of the output level b. shifts the AD curve to the right resulting in the short run in an increase in the price level and a decrease of the output level c. shifts the SRAS curve upward resulting in a decrease in the price level and an increase in the output level Od shifts the SRAS curve downward resulting in an increase in the price level and a decrease in the output level