What is the marginal revenue of producing the third good? Q Revenue Variable Cost Total cost MR MC 1 $10 2 $20 3 $35 4 $53 5 $81 O Insufficient information O $10 O $17 O $15 O $13What is the firm's maximum profit? Q Revenue Variable Cost Total cost MR MC 1 $10 2 $20 3 $35 4 $53 $81 O $10 O $30 O $45 O Insufficient information $35