Select the correct option to test your answer: A $$\frac{{MUx}}{{MUy}} = \frac{{MUy}}{{MUz}} = \frac{{MUz}}{{MUx}}$$ B $$\frac{{MUx}}{{MUy}} = \frac{{Px}}{{Py}} = \frac{{MUx}}{{Pz}}$$ C $$\frac{{MUx}}{{Px}} = \frac{{MUy}}{{Py}} = \frac{{MUz}}{{Pz}}$$ D $$\frac{{MUx}}{{Py}} = \frac{{MUy}}{{Pz}} = \frac{{MUz}}{{Px}}$$ Correct Answer: Option C ($$\frac{{MUx}}{{Px}} = \frac{{MUy}}{{Py}} = \frac{{MUz}}{{Pz}}$$) Verified correct option for Commerce (Economics).