Consider the market for wheat where demand is given by: Q = 100 - 2p and supply is given by: Q' = 50 + 1p. Now suppose that, due to a market failure (an artificial shipping constraint), a maximum of 56.66 units of wheat can be supplied by firms in the market. The amount of the deadweight loss caused by the market failure is $ . (Enter your answer rounded to the nearest penny and as a positive number.)