One-fourth of the residents of the Burning Ridge Estates leave their garage doors open when they are

Question:

One-fourth of the residents of the Burning Ridge Estates leave their garage doors open when they are away from home. The local chief of police estimates that 5% of the garages with open doors will have something stolen, but only 1% of those closed will have some-thing stolen. If a garage is robbed, what is the probability the doors were left open?