When an aluminum object is fully submersed in a pool of oil (with density 700 kg/m3) and place on a scale at the bottom of the pool, the scale reads 980 N. If this same object is fully submersed in a pool of water and place on a scale at the bottom of this pool, what will be the reading on the scale?
(a) 831N
(b) 833N
(c) 835N
(d) 837N
(e) 839N
(f) None of the above.