Income statement for Mun's boutique Net sales Cost of goods sold Gross margin Operating expenses Interest expenses Total expenses Net profit, pretax Taxes $1,345,500 $833,000 $512,500 $287,365 $2,964 $290,329 $222,171 $11,182 Based on the income statement for Mun's boutique, what is the operating expense percentage of store? 21.36% 21.32% 21.34% 21.39% 21.38%