Why Might the Demand for Business Products Be Inelastic,while the Demand

Multiple Choice

Why might the demand for business products be inelastic,while the demand facing individual sellers of those products is extremely elastic?

A) because total demand for business products often exceeds supply
B) because most business producers use haggling in their buying
C) because the demand for business products is derived,and some industries have many sellers of essentially homogeneous products
D) because the industry demand is rising
E) None of these answers is correct.