This is a microeconomics question. How do I find this answer? Thank you

Output Average Fixed Cost Average Variable Cost 1 $50.00 $100.00 2 25.00 80.00 W 16.67 66.67 4 12.50 65.00 10.00 68.00 8.37 73.33 7.14 80.00 6.25 87.50 At 5 units of ouput, the total cost Is Multiple Choice O $260 O $310 O $78 O $390