please answer the questions thank you

Ali is a student at the University. He recently purchased a car for OMR5,000 to use it for going to the University. Ali also expects that other friends might ask for transportation from him. He expects a total monthly revenue of OMR60. He expects fuel cost to be OMR30 per month. One of Ali's friends is a taxi driver. He offered Ali to take him to University for a monthly fee of OMR10. Because he does not have to drive, Ali believes that he can perform online work that would earn him a monthly revenue of OMR10. What is the differential cost in this scenario? Select one: a. OMR30 b. OMR50 c. OMR10 d. OMR40 O e. OMR20 Company XYZ has raw materials at the beginning of August of OMR500,000 During August, the company purchased additional raw materials of OMR30,000. During August also, the company used OMR180,000 raw materials: OMR90,000 directly on the production process and OMR90,000 related to maintenance of administrative cars. How much balance in the raw materials by the end of August? Select one: a. OMR440,000 O b. OMR320,000 O c. OMR350,000 O d. OMR530,000 O e. None of the given answers Company XYZ produced 1,000 units of product A. At this level, the variable manufacturing costs were OMR600,000 and the variable selling and administrative costs were OMR110,000. Furthermore, the total fixed cost was OMR140,000. Assuming the company increased the production level to 1,050 units, what would be the increase in total manufacturing costs? Select one: O a. None of the given answers O b. OMR35,500 O c. OMR42,500 d. OMR30,000 e. OMR37,000 XYZ Company provided the following information regarding Product XY: Direct material costs OMR3 per unit of product; Direct labor costs OMR5 per direct labor hour; Predetermined overhead rate OMR10 per direct labor hour. The cost of a job for 550 units of product XY, which uses a total of 120 direct labor hours, is: Select one: O a. None of the answers given O b. OMR5,600 O c. OMR3,600 d. OMR3,450 O e. OMR9,900 Company XYZ produced and sold 8,500 units. The selling price per unit was OMR35. The variable manufacturing cost per unit was OMR10. The variable selling and administrative expenses per unit was OMR14. The total fixed expenses were OMR2,000. Calculate the total contribution margin. Select one: O a OMR212,500 O b. OMR91,500 O c. OMR297,500 O d. OMR295,500 e. OMR93,500