Lanover Manufacturing Supplies Windshield Wiper Blades to General Motors and Ford.A

Lanover Manufacturing supplies windshield wiper blades to General Motors and Ford.A sudden jump in the price of rubber and its substitutes has forced Lanover and other wiper blades manufacturers to double the price of the wiper blades.This increase in price has not affected sales volume for wiper blades.The price change did not change demand for windshield wiper blades because demand for this product by business customers is:

A) inelastic
B) secure
C) bundled
D) elastic
E) resistant