4. a. Write down the proposition of M-M theory 1. What is the operating leven? How do changes in foed operating costs, the sale price per unit, and the variable etating cust per unit affect it? The stockholders spuity account of Apex corporation was follows: Preferred Stock 5300,000 Common Stack 200.000 shares Stan 800,000 Paid in capital in excess of par 400,000 Retained earnings 82000 Total Stockholder Equity 52.720.00 Required: i i. How will the Mockholden' equity account change if Apex Corporation declares a 3-for-1 stock split! ii. How will the stockholders' equity account change if Apex Corporation declares a 3-for-1 reverse lock split