7. Salaries of administrative secretaries $112,000. 8. Salaries of engineers and other personnel responsible for maintaining production equipment $173,000. 9. Commissions paid to sales staff- $259,000. Required a. What amount of payroll cost would be classified as SG\&A expense? b. Assuming that Solomon made 3,300 units of product and sold 2,805 of them during the month of March, determine the amount of payroll cost that would be included in cost of goods sold. (Do not round intermediate calculations.) 7. Salaries of administrative secretaries $112,000. 8. Salaries of engineers and other personnel responsible for maintaining production equipment $173,000. 9. Commissions paid to sales staff- $259,000. Required a. What amount of payroll cost would be classified as SG\&A expense? b. Assuming that Solomon made 3,300 units of product and sold 2,805 of them during the month of March, determine the amount of payroll cost that would be included in cost of goods sold. (Do not round intermediate calculations.)