The graph below shows the percentages of ingredients in a salad mix. A pie chart titled Percentages in salad mix. 40 percent is iceberg, 27 percent is romaine, 15 percent is spinach, 12 percent is arugula, 6 percent is carrots.

Alyssa buys a 38-ounce container of salad mix. About how many ounces of iceberg lettuce does the container have?
8 ounces
16 ounces
27 ounces
38 ounces