Pinellas Company owns 30% of the voting common stock of Sanibel Company. Pinellas will probably use the equity method of accounting to account for this investment because:

a) Pinellas will be able to appoint 30% of the directors of Sanibel Co
b) No other shareholder holds more than a 29% interest in Sanibel Co
c) Pinellas receives 30% of the dividends paid by Sanibel Co.
d) Pinellas is assumed to be able to exercise significant influence over the affairs of Sanibel Co.