Solve the Problem $14 \mathrm { ft }$ Wide And $4 \mathrm { ft }$

Multiple Choice

Solve the problem.
-A rectangular sea aquarium observation window is $14 \mathrm { ft }$ wide and $4 \mathrm { ft }$ high. What is the force on this window if the upper edge is $5 \mathrm { ft }$ below the surface of the water. The density of seawater is $64 \mathrm { lb } / \mathrm { ft } ^ { 3 }$ .

A) 29,100 lb
B) 36,300 lb
C) 25,100 lb
D) 50,200 lb