Beginning finished good, 1/1/2019 SAR 47,000 Ending finished goods, 12/31/2019 36,000 Cost of goods sold 259,000 Operating expenses 110,000 Sales revenue 488,000 On the assembly floor, Ahmed, a worker is paid a regular rate of SAR 25 an hour for straight-time assuming 8 working hours a day and five working days in a week. He is paid 1.5 times her regular rate for overtime hours. One special week he worked 48 hours, which is already included in cost of goods sold. a. What is the cost of goods manufactured for 2019? b. What is gross margin for 2019? c. What is operating income for 2019? d. What is Ahmed's total compensation for the special week