Number of Output Marginal Price of Total Marginal Workers (Quantity) Product Yo-Yos Revenue Revenue Product 0 0 $2 20 20 $2 $40 $40 2 50 30 $2 $100 $60 3 70 20 $2 $140 $40 4 85 15 $2 $170 $30 5 95 10 $2 $190 $20 6 100 5 $2 $200 $10 7 103 $2 $206 $6 104 $2 $108 $2 9 100 4 $2 $200 $8