.Which of the following illustrates a shift in the demandcurve?

a. When prices remain the same, there is asignificant decrease in demand.

b. As the price is raised, the quantity demandedincreases, assuming all else stays the same.

c. When prices remain the same, there is an increaseor decrease in demand.

d. As the price is lowered, the quantity demandeddecreases, assuming all else stays the same.

e. An internal matter has forced a price change ofsome type, but it does not impact demand