The counts of candies in a box are sorted by flavor and by the color of their wrappers, as shown in the table below.
| Flavor | Red wrapper | Blue wrapper | Total |
|---|---|---|---|
| Cherry | 24 | 16 | 40 |
| Lemon | 12 | 28 | 40 |
| Grape | 14 | 6 | 20 |
| Total | 50 | 50 | 100 |
If one candy is selected at random and is known to have a blue wrapper, what is the probability that it is lemon?