$\backslash$table$[[45,$$$10,77],[50,8,73],[56,6,68],[61,4,61],[67,2,57]]$

Refer to the data. Suppose quantity demanded increased by $12$ units at each price, changing the equilibrium price in a direction and an amount for you to determine. Over that price range, supply is

perfectly elastic.

perfectly inelastic.

$$ elastic.