You get a call from a customer who says she can't access your site with her username and password. both are case-sensitive and you have verified she is entering what she remembers to be her user and password correctly. what should you do to resolve this problem? a. have the customer clear her browser history and retry

b. look up her username and password, and inform her of the correct information over the phone

c. have the user reboot her system and attempt to enter her password again

d. reset the password and have her check her email account to verify she has the information