About 12% of the customers of a store buy cigars and 20% of customers buy beer. The contingency table is given below.
Beer No Beer
Cigars 0.08 0.04 0.12
No Cigar 0.12 0.76 0.98
0.20 0.80 1
Determine the probability that a customer will buy at least one of these items: cigar or beer.