The graph shows how many bottles a machine caps in a certain number of seconds.Alternative TextPart AWhat is the constant of proportionality, and what does it mean in this situation?Use the drop-down menus to show and explain your answer.The constant of proportionality isChoose…; the machine capsChoose…bottles inChoose….Part BWhich of the following is an ordered pair on the graph? What does it represent in this situation?A.(45, 90); the machine caps 45 bottles in 90 seconds.B.(45, 900); the machine caps 45 bottles in 900 seconds.C.(45, 900); the machine caps 900 bottles in 45 seconds.D.(900, 45); the machine caps 900 bottles in 45 seconds.