The following data are from Burton Corporation, a manufacturer, for the month of September: Direct materials used $135,000 Supervisors' salaries $6,000 Machine operators' wages $200,000 Sales office rent and utilities 22,000 Machine depreciation 35,000 Secretary to the Chief Executive Officer salary $3,000 Factory insurance $15,000 Compute the prime costs. A. $344,000 B. $135,000 C. $335,000 D. $256,000 Same question above and need to compute conversion costs. A. $335,000 B. $209,000 C. $281,000 D. $256,000 I appreciate your help in both questions