The Supply Curve of Sand Is Horizontal So the Supply

Multiple Choice

The supply curve of sand is horizontal so the supply of sand is perfectly ________.A tax of 1 cent a pound increases the price by 1 cent a pound and the buyer pays ________ the tax.The tax is therefore ________.

A) elastic; all; inefficient
B) elastic; none; inefficient
C) elastic; all, efficient
D) inelastic; all; inefficient
E) inelastic; none; efficient