Compute the maximum service load (25% dead and 75% live) acceptable for a structural tee WT12x38 when used in a truss location where it is braced in the plane of the truss at 20 ft intervals and braced transverse to the plane of the truss at 10 ft intervals. Apply the provisions of AISC-E7 if needed. Use a) A992 steel; b) Fy=65 ksi