pleas solve all points (I will put like )thank u very much

Short practical problems Marks: 3 (1) Al-Yahaya auditing firm company's information is as follows: The company provided an auditing service to 80 clients, earned SR 1,200,000 in revenues, and incurred SR 600,000 operating costs. Calculate the cost per service. (2) If beginning WIP was 87,000 and Direct Materials Used was 234,000 and Direct labor 351,000 and Manufacturing overhead was 113,550 and Ending WIP was 51,000. Find the cost of goods manufactured. (3) If the cost of goods Manufactured was 1,320,000 and the total units produced 600. What will be the unit product cost? (4) If the unit product cost 400 and the number of units sold 90,000. What will be the cost of goods sold? (5) If Sales revenue is SR 33,000, beginning finished goods inventory is 25,500, ending finished goods inventory is 17,250, and cost of goods manufactured is 24,900. Find out the cost of goods sold. (6) the following information belongs to a merchandising company: The company sold 6,000 units during the year. The company has provided the following information: Sales Revenue SR 693,000, Purchases SR304,000, Selling Expenses SR 55,000, Frieght in SR 14,000, Beginning merchandise inventory SR 46,000, and Ending merchandise inventory SR 42,000. What is the operating income for the year