Manufacturing costs for Aero Corp. for the month of November when production was 750 units appears below: Direct material $7 per unit Direct labour $6,000 Variable overhead 3,000 Factory Depreciation 2,000 Factory supervisory salaries 7,000 Other fixed factory costs 1,500 How much is the budgeted manufacturing cost for a month when 500 units are produced? O A. $9,000 B. $16,500 OC. $20,000 OD. $13,000