Table 15-7 Sally owns the only shoe store in town. She has the following cost and revenue information. COSTS REVENUES Quantity Produced Total Cost (5) Marginal Quantity Price (S/unit) Total Revenue Marginal (pairs) Cost Demanded Revenue 100 0 170 140 160 184 2 150 230 3 140 280 130 335 120 395 1 10 475 100 $65 90 Refer to Table 15-7. What is total profit at the profit-maximizing quantity? O $100 O $245 O $265 O $395 O $285