The Office of Student Services claims that the 30% of all business undergraduates have above 3.0 GPA, 50% of all business undergraduates see their academic counselor on the regular basis, and 40% of business undergraduates who see their academic counselor on regular basis have GPA's above 3.0. Determine the probability that a randomly chosen business undergraduate has a GPA ? 3.0 and doesn't regularly visit their academic counselor.