Assume a standard, downward sloping demand curve in a market where price adjusts to sell all units demanded. If an upward shift of a perfectly inelastic supply curve results in decreased total expenditures on the good, what can we infer? O Elasticity of demand is between O and 1. O Elasticity of demand equals 1. O Elasticity of demand is between 1 and infinity. O Elasticity of demand is infinity. O None of the above