The Bottom of a Flat-Bottomed Aluminum Boat Has Area =

The bottom of a flat-bottomed aluminum boat has area = 4.0 m² and mass = 120 kg. If two fishermen and their fishing gear with total mass of 240 kg are placed in the boat, how much lower will the boat ride in the water? (water density = 1.0 * 10³ kg/m³)

A) 0.15 m
B) 0.090 m
C) 0.075 m
D) 0.060 m