Spur gear has a module of 3 mm, a number of teeth are 18, a face width of 38 mm, and a pressure angle of 20°. It is transmitting a pourer of 3 kW at 25 rev/s. Taking a velocity factor of 1.5 and form factor of 0.3 Find the beam strength of the gear tooth in MPa [up to 2 decimal places]