Which of the following will shift the Aggregate Demand curve to the left? (Select All that Apply) Helpful Hint: There are 2 Correct Answers A. Business confidence is high with regards to expected returns. B. The government increases infrastructure spending to stimulate the economy. C. The government increases spending on education. D. A new networking technology increases firms' optimism on expected returns. E. An increase in the real interest rates. F. A 150% increase in business taxes signaled to businesses lower expected returns.