The Four Companies That Sell Bulk-Rate Diesel to Farmers in the Saskatoon

The four companies that sell bulk-rate diesel to farmers in the Saskatoon area have consistently moved together (up or down) with the same prices.It has been suggested that they have conspired together to keep prices the same.Might they be prosecuted under the Competition Act?

A) Yes,they might be,since there is prima facie evidence of a conspiracy.
B) Yes,they might be,since this is a good example of the practice of parallel pricing.
C) No,they would not be,because the conspiracy cannot be implied.
D) No,they would not be,because their intent must be proved.
E) Yes,they might be,because an agreement can be inferred from the actual behaviour.