Boulder, Inc., obtained 90 percent of Rock Corporation on January 1, 2016. Annual amortization of $23,500 is applicable on the allocations of Rock's acquisition-date business fair value. On January 1, 2017, Rock acquired 75 percent of Stone Company's voting stock. Excess business fair-value amortization on this second acquisition amounted to $10,000 per year. For 2018, each of the three companies reported the following information accumulated by its separate accounting system. Separate operating income figures do not include any investment or dividend income. Dividends Declared Boulder Rock Stone Separate Operating Income $306,000 106,000 170,000 $138,000 20,000 42,000 a. What is consolidated net income for 2018? b. How is 2018 consolidated net income distributed to the controlling and noncontrolling interests? a. Consolidated net income b. Controlling interest in consolidated net income Noncontrolling interest in consolidated net income