The table shown below details the observed amount of electricity consumed by the average American over the course of one year, as measured in kilowatt-hours. Month Usage (kWh) Jan-Feb 2,239 Mar-Apr 2,197 May-Jun 2,113 Jul-Aug 2,156 Sep-Oct 2,269 Nov-Dec 2,270 Kevin is trying to display this information in the form of a graph. He would like the graph to look like the one below. What scale should Kevin use on the y-axis to display the information on the table like the graph? a. 500 kWh per mark b. 100 kWh per mark c. 50 kWh per mark d. 10 kWh per mark Please select the best answer from the choices provided