For a fire on the fourth floor, you need 100 psi at the nozzle, for each floor above the first floor you lose 5 psi, for every 100 ft of hose you lose 15 psi. There are 400 ft of hose used to get to the fire, what is the total pressure needed at the engine?

a) 175 psi
b) 185 psi
c) 195 psi
d) 205 psi