Revenue < $456,000 Sales Returns $3,100 Sales Discounts $1,200 Net Sales $451,700 Cost of Goods Sold $67,800 Gross Profit Gross Profit Margin % Given the information provided in this illustration, what are the gross profit and gross margin ratio? a.) Gross Profit: $379,600 Gross Margin Ratio: 82% b.) Gross Profit: $383,900 Gross Margin Ratio: 85% c.) Gross Profit: $72,100 O Gross Margin Ratio: 16%