ly fingers around it, then pops back down when I?m done." O S1 Source: David Pierce, "A $10 Accessory Proves Smartphones Are Too Big," Wall Street Journal, February 17, 2019. a. Are PopSockets and similar products substitutes for or complements to smartphones? A. Phone grips and smartphones are complements because people who buy a smartphone may also buy a phone grip to help reduce the likelihood of dropping the phone Price of smartphone grips ($) O B. Phone grips and smartphones are complements because when the price of one falls, the demand for the other falls O C. Phone grips and smartphones are substitutes because people who buy a smartphone may also buy a phone grip to help reduce the likelihood of dropping the phone. O D. Phone grips and smartphones are substitutes because when the price of one falls, the demand for the other rises. D1 b. Suppose that the price of smartphones declines. Assuming the market for phone grips is initially in equilibrium at E1 , use a demand and supply.graph of the market for phone grips to show the effect on the Quantity of smartphone grips equilibrium price and quantity 1.) Using the line drawing tool, show how a decline in the price of smartphones affects the market for smartphone grips. Properly label your line 2.) Using the point drawing tool, plot and label the new equilibrium point. Carefully follow the instructions above, and only draw the required objects