Mettler Manufacturing has provided you with the following variances for the month of March: Mettler Manufacturing produced 6, 200 units during the month of March; 6,000 units were budgeted. Raw materials inventory did not change over the period. You have also been provided the following partial information: Calculate the following: a. pounds of direct materials (purchased = used) b. actual direct labor hours c. actual labor cost in dollars d. actual spending for materials