Using the Baker-Strehlow method, what is the predicted blast overpressure (in psi) and duration (in 2 significant figures) for a propane/air vapor cloud explosion with fluid density of 84000 g/m³ and a predicted cloud size of 45.72 m x 10.668m x 10.668m. Assume confinement is 3D and medium density in an area (in ft) of congestion 164.99 high x 75 long x 64 wide. Blockage from the obstacles is 5%. The building of concern is 210 ft from the center of the cloud. Pressure ratio Ps/Po = 0.035. The fuel-air ratio = 1:5. Heat of combustion = 3.5 MJ/Kg. Impulse factor was given to be 0.07 and 4 blasts occurred.