You are about to go to sea and adjust the magnetic compass. To expedite the adjustment at sea, in what order should the following dockside adjustments be made?

A
Flinders bar first, then the heeling magnet and spheres
B
Heeling magnet first, then the Flinders bar and spheres
C
Flinders bar first, then the spheres and heeling magnet
D
Spheres first, then the Flinders bar and heeling magnet
E