ISMB 100 (r_x = 40 mm, r_y = 10 mm) has been used as a column in an industrial shed. Along the minor axis, the column has restraints in the form of purlins at 1.0 m intervals. Effective length factor along major and minor axes are 1.2 and 1.0, respectively.  If the slenderness ratio is restricted to 120, the maximum column height will be