Exhibit 4-4 Supply and demand curves for computers 0O Price per computer 3 (thousands E of dollars) 2 D 0 10 20 30 40 Quantity of computers (hundreds per week) 21. Which of the following changes could cause the computer market to change as shown in Exhibit 4-4? a. Lower costs for computer chips and motherboards. b. The failure of several computer manufacturers. C. Higher prices for computer software. A More features and greater pace f 1