Sagot :
As a result of an increase in the price of penne and decrease in the price of meatball, the demand curve would shift rightward.
What is the impact of an increase in the price of penne?
Spaghetti pasta and penne are substitute goods. Substitute goods are goods that can be used in place of other goods. When the price of penne increase, there would be an increase in the demand for spaghetti pasta. As a result, the demand curve would shift to the right while the supply curve remains unchanged.
When the price of meatball increase, there would be an increase in the demand for spaghetti pasta. As a result, the demand curve would shift to the right while the supply curve remains unchanged. This is because meatballs and spaghetti pasta are complements.
Please find attached the required graph. For more information about the change in demand, please check: https://brainly.com/question/25871620