A factor that can cause the market demand curve for day-old bread to shift rightward is a decrease in income.
<h3>What is an inferior good?</h3>
An inferior good is a good whose demand falls when income rises and increases when income falls. An inferior good is a good whose demand increases when income falls.
<h3>What is an increase in demand?</h3>
An increase in demand occurs when the demand for a good increase as a result of factors other than a change in the price of a good. When there is an increase in demand, there would be a shift to the right of the demand curve.
For more information about the increase in demand, please check: brainly.com/question/25871620
