The delaware river joint toll bridge commission increased the toll on the bridges on route 22 and interstate 78 from new jersey to pennsylvania from $0.600.60 to $1.101.10. use the information in the table below to answer the questions (assume nothing other than the toll change occurred during the months that would affect customer demand). source: garrett therolf, "frugal drivers flood free bridge," (allentown, pennsylvania) morning call, january 20, 2003. number of vehicles crossing the bridge month toll route 22 bridge interstate 78 bridge november $0.600.60 503 comma 470503,470 714 comma 943714,943 december $1.101.10 411 comma 938411,938 641 comma 246641,246 using the midpoint formula, for the route 22 bridge, the price elasticity of demand is nothing. (enter your response rounded to two decimal places. be sure to include the minus sign.)