A retail store accepts either the American Express (AMEX), Mastercard or Visa credit card. A total of 18% of its customers have an AMEX, 51% have a Visa credit card and 27% have a Mastercard. In addition, you are told that 12% of customers have both an AMEX and a Visa credit card, 21% have both a Visa and a Mastercard, 8% have both an AMEX and a Mastercard, and 4% have all three types of credit cards.
What percentage of the store's customers have a credit card that the store will accept?
A. 0.63
B. 0.96
C. 0.59
D. 0.55