At a Price of $8 Per Dozen, Chuy Sells 40

Multiple Choice

At a price of $8 per dozen, Chuy sells 40 dozen homemade tamales per week.When he raised his price to $12 per dozen, he still sold 40 dozen per week.Based on this information, the demand for his tamales is

A) perfectly elastic.
B) inelastic.
C) perfectly inelastic.
D) unit elastic.