The elasticity of supply of product X is unitary if the price of X rises by:

A) 5 percent and quantity supplied rises by 7 percent.
B) 8 percent and quantity supplied rises by 8 percent.
C) 10 percent and quantity supplied stays the same.
D) 7 percent and quantity supplied rises by 5 percent.

Unitary

In the context of price elasticity, a situation where a change in price leads to a proportional change in quantity demanded, meaning the elasticity is equal to one.

Quantity Supplied

The volume of goods or services that manufacturers are ready and capable of selling at a certain price during a particular period.