Use the table to answer the question. Number of Output Total Cost Fixed Cost Variable Cost Workers 20 $300 $250 $50 2 35 $252 $250 $102 3 45 $406 $250 $156 4 50 $462 $250 $212 What is the marginal cost of producing the 45th unit of output? (1 point) O $15.40 O $156 O $52 O $154