Given a variable s that is associated with the empty string, write some statements that use a while loop to associate s with a string consisting of exactly 777 asterisks (*) .

Mastercard managers are motivated to increase (1) the number of individuals who have and use a mastercard credit card, (2) the number of banks and other clents who issue mastercards to customers and/or employees, and (3) the number of locations that accept mastercard payments. discuss how mastercard could use its data warehouse to it expand each of these customer bases.