A technological breakthrough lowers the cost of manufacturing VCRs. As a
result, the market changes to a new equilibrium because of a (an):
A. upward movement along the demand curve for VCRs.
B. excess demand for VCRs.
C. shortage of VCRs.
D. rightward shift in the supply curve for VCRs.
E. rightward shift in the demand curve for VCRs.