(1) Except as provided in ss. 220.151, 220.152, and 220.153, adjusted federal income as defined in s. 220.13 shall be apportioned to this state by taxpayers doing business within and without this state by multiplying it by an apportionment fraction composed of a sales factor representing 50 percent of the fraction, a property factor representing 25 percent of the fraction, and a payroll factor representing 25 percent of the fraction. If any factor described in subsection (2), subsection (4), or subsection