Just I need answer for A,B,C or D Not need for explanation

Question 22 Not yet answered Marked out of 0.50 Flag question On January 1st, 2021 the business has total assets of RO 750 and liabilities of RO 250. How much is the owner's equity? O a. RO 500 a O b. RO 250 O C. RO 750 O d. RO 1000 4:18 moodle.nct.edu.om E Question 21 Not yet answered Marked out of 0.50 P Flag question Which among the following transactions would have no effect on equity? a. Investment by the owner b. Purchase of supplies on credit OC. Retained earnings of the business d. Drawings made by the owner Question 22 Not yet answered Marked out of 0.50 P Flag question On January 1st, 2021 the business has total assets of RO 750 and liabilities of RO 250. How much is the owner's equity? a. RO 500 b. RO 250 O cRO 750 o d. RO 1000