Refer to the following data to answer the question: $ 150 000 $ 5 000 Direct material used Selling costs Indirect labour Administrative costs $ 7 000 $ 10 000 $ 70 000 Depreciation on factory equipment Direct labour $ 40 000 $ 20 000 Overtime premiums paid Indirect materials $ 45 000 The prime costs are: Select one: O a. $142 000. o b. $40 000 O c. $150 000. O d. $190 000