Assuming that the recommended hatch loading sequence is followed, how many long tons of iron ore may be loaded through hatches 5 & 7 while using a single belt loader, to arrive at a desired mean keel draft of 25'-02"? (use the Guidance Manual for Loading M.V. GRAND HAVEN)

A
1410 tons
B
1450 tons
C
1490 tons
D
1520 tons
E