The General Manager of Yeo Enterprises meets with directors once a month to compare actual and planned financial performance - HSC - SSCE Business Studies - Question 15 - 2003 - Paper 1

The management process described involves comparing actual performance against planned performance, which is a key aspect of the controlling function. This function allows a manager to ensure that the organization's goals are being met and to make necessary adjustments. Thus, the correct answer is (A) Controlling.