A piezometer is screened 723.4 m above mean sea level. The point-water pressure head in the piezometer is 17.9 m and the water in the aquifer is fresh at a temperature of 20°C. (A) What is the total head in the aquifer at the point where the piezometer is screened? (B) What is the fluid pressure in the aquifer at the point where the piezometer is screened?