Bill's Birdhouses COSTS REVENUES Quantity Total Marginal Quantity Produced Cost Cost Demanded Price 0 SO $50 0 $80 $80 2 $102 2 $80 3 $157 3 $80 4 $217 4 $80 5 $285 5 $80 6 $365 6 $80 7 $462 7 $80 8 $582 8 $80 Refer to Table 14-12. At what quantity does Bill maximize profits? 3 07 6 Total Marginal Revenue Revenue