Agriculture committee  I think it's important, though, to make the distinction between the two.

Agriculture committee  I would like to clarify the return on capital that you're talking about. Under the Western Grain Transportation Act, there were cost-based maximum freight rates. One of the cost elements was a return on constant cost, not a return on capital but a return on constant cost, which was set at 20% in the act when the effective rate was probably closer to 25% or 30%, because the railways got productivity gains between costing reviews.

Agriculture committee  Yes.

Transport committee  The rail would be--

Transport committee  In terms of the $2 per tonne estimate in savings for the revenue cap, that is just an order-of-magnitude estimate that was developed in conjunction with the Canadian Transportation Agency. As you're probably aware, in Bill C-11 there's a provision that allows the government to ask the agency to have a look at the actual maintenance costs and adjust the revenue caps to bring them in line with the actual maintenance expenditures that the railways are incurring.