please!!urgent can anyone help me to solve these mc?

Kow Kow Company produces one product: December Sales (Actual) 2,000 units Unit Selling Price $252 Unit Variable Expenses $84 Total fixed expenses $252,000 How much is the margin of safety and margin of safety ratio for the company for December? Select one: O a. $ 126,000, 25% b. $ 84,000, 16.7% C. $ 126,000,75% d. $ 504,000, 200% Which of the following is/are disadvantages of buying rather than making a component of a company's product? (i) quality control specifications may not be met. (ii) the outside supplier could increase prices significantly in the future. (iii) profitable product lines may be dropped. (iv) the supplier may not deliver on time. Select one: O a. C. (i), (iv) b. 6. cii), (iv) c. (i), (ii), (iv) d. 6. (ii), (iv) What is the total cost of work in progress using the following information? Raw materials inventory, beginning $ 10,000 Raw materials inventory, ending 20,000 Work in process, beginning 9,000 Work in process, ending 6,000 Finished goods, beginning 20,000 Finished goods, ending 16,000 Raw materials purchases 850,000 Direct labor 380,000 Factory utilities 75,000 Indirect labor 25,000 Factory depreciation 200,000 Operating expenses 210,000 Select one: a. $1,523,000. b. $1,520,000 O c. $1,529,000. O d. $1,527,000