At steady state, a power cycle receives energy by heat transfer at an average temperature of 865 F and discharges energy by heat transfer to a river. Upstream of the power plant the river has a volumetric flow rate of 2512 cubic feet per second and a temperature of 68 F. From environmental considerations, the temperate of the river downstream can be no more than 72 F. Determine the maximum theoretical power that can be developed, in MW, subject to this constraint.