Which of the following correctly define backwardation and contango?

A.Backwardation is when futures prices are above their expected pric contango is when they are below their expected price at maturity.

B.Backwardation is when warehouses quote e at maturity, whereas a negative storage cost, whereas contango is when they quote a positive storage cost.

C.Backwardation is when futures prices are below their expected price at maturity, whereas contango is when they are above their expected price at maturity.

D.Backwardation is when warehouses quote a positive storage cost, whereas contago is when they quote a negative storage cost.