Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatches 8 & 12 while using a single belt loader to arrive at a desired mean keel draft of 28'-03"? (use the Guidance Manual for Loading M.V. GRAND HAVEN).

A
460 tons per hatch
B
520 tons per hatch
C
690 tons per hatch
D
730 tons per hatch
E