A soccer coach surveyed the players to determine the number of players who preferred selling coupon books, magazine subscriptions, or both for their fundraiser. The results are given in the Venn diagram. A circle labeled coupon books 11 overlaps a circle labeled magazine subscriptions 7. Overlap is 3. 4-column table with 3 rows. First column has no label with entries magazines, not magazines, total. Second column is coupon books with entries 12%, blank, blank. Third column is not coupon books with entries a, 19%, blank. Fourth column is labeled total with entries blank, blank, 100%. To the nearest whole percent, what is the value of a in the relative frequency table for the survey results? a = 27% a = 42% a = 81% a = 88%