Answer:
yes his consumption could change
Explanation:
His consumption of pizza could change since he might need to consume less pizza to afford more tacos. We could use the marginal rate of substitution to explain this where we describe how much goods one is willing to give up for the other while retaining maximum utility/satisfaction. So Jonny may be asked here what combination of tacos and pizza would give him same satisfaction while keeping good budget and retaining satisfaction.
