Fluids

1) A loaded flat bottom barge floats in fresh water.  The bottom of the barge is 4.06m below the water line.  When the barge is empty the barge's bottom is only 1.36m below the water line.  What is the difference between the pressure on the bottom of the loaded barge and the pressure at the water line? Answer in Pascals.

OK - the wrong answer is P2-P1 = (4.06-1.36)* rho = 10^3*g=9.8 = 26460 Pa.

2) If the surface area of the bottom of the barge is 580m^2 what is the weight of the load in the barge?  Answer in Newtons

Now , the wrong answer here was 1.537*10^7 Newtons

Please see if you can figure out how to do this correctly please.  It made sense as to the set up, but the answer is still wrong and would like to know what did go wrong?

Thanks!