The following costs were for Optimal View Inc., a contact lens manufacturer: Output Fixed Cost Variable Cost Total Costs 300 $ 5,200 $ 12,000 $ 17,200 350 5,200 14,000 19,200 400 5,200 16,000 21,200 450 5,200 18,000 23,200 At an output level of 500 lenses, per unit total cost is projected to be: Answers could be: $45.85. $56.67. $48.56. $50.40. $39.45