A 35-year-old man consumed the following folate-containing foods for lunch: a sandwich made with 2 slices of fortified bread (14 μg natural, 48 μg synthetic) and 4 tablespoons peanut butter (47 μg); 1/2 cup carrot sticks (12 μg); an orange (48 μg); and 2 graham crackers (5 μg natural, 8 μg synthetic). What percentage of his RDA for folate did his lunch provide?