Sadaf Oman Company equity at the End of August 2012 was RO 450,000. During the month, the company earned net income of RO 90,000 and paid dividends of RO 30,000. What was the amount of equity at the beginning of August 2012? Select one: O a. RO 390,000 O b. RO 510,000 O c: RO 450,000 O d.RO 570,000