Final answer:
To graph the ATC curves for Plant 1 and Plant 2, plot the average total cost (ATC) on the y-axis and the quantity of balloons on the x-axis. Use the information given in the table to find the ATC for each quantity of balloons for both plants. The ATC curves differ due to different levels of productivity and costs.
Step-by-step explanation:
To graph the ATC curves for Plant 1 and Plant 2, you need to plot the average total cost (ATC) on the y-axis and the quantity of balloons on the x-axis. Use the information given in the table to find the ATC for each quantity of balloons for both plants. Then, plot the points and connect them to form the ATC curves. The ATC curves for Plant 1 and Plant 2 differ because they have different levels of productivity and costs.