Which of the Following Would Cause the Long-Run Aggregate Supply

Multiple Choice

Which of the following would cause the long-run aggregate supply curve to shift rightward?

A) a rise in energy prices
B) a drop in the actual price level
C) workers opting for more leisure time and less time on the job
D) a level of investment spending that is less than depreciation of the capital stock
E) a technological breakthrough with widespread practical applications that occurs in the microcomputer industry