microeconomics

Aggregation examples of market demand could include: O a. All of the above O b. The demands of different demographic groups. O c. The demand for home computers by households with or without children. O d. The domestic and foreign demand for wheat. The aggregate demand for good X is Q - 20 - P. If the price rises from P = $4 to P = $5, what is the change in consumer surplus? O a. $15.50 O b. $16 O c. $4.50 O d. $5.50