The equation y = 13x describes the amount of money sarah earns, where x is the number of hours she worksand y is the amount of money she earns. the table shows the amount of money austin earns for different numbers of hours worked. austin’s earningstime (h) 3 5 8 10money ($)earned42 70 112 140(a) how much money does austin earn per hour? show your work.(b) who earns more per hour? justify your answer.(c) draw a graph that represents austin’s earnings over time in hours. remember to label the axes.