A boiler being installed in a school has rated capacity (in Btu/hour) stated on the nameplate. The number shown has a seven (7) in the hundred thousand place, a five (5) in the hundreds place, a five (5) in the ten thousands place, a zero (0) in the ones place, four (4) in millions place, zero (0) in the thousands place, a one (1) in the ten millions place, and a zero (0) in the tens place What is the rated capacity of the boiler?