Select the statement that is true of long-run aggregate supply curves. Is there a positive relationship between price level and real gross domestic product (rgdp)?
1) Yes, there is a positive relationship between price level and real gross domestic product (rgdp).
2) No, there is no relationship between price level and real gross domestic product (rgdp).
3) The relationship between price level and real gross domestic product (rgdp) is negative.
4) The relationship between price level and real gross domestic product (rgdp) is uncertain.