How should the system administrator resolve the issue?
a marketing user needs to create a new campaign, but the new button is not visible from the campaign home page. the system administrator has verified that the user has the "create" profile permission for the campaign object.
a. add the new button to the page layout using the page layout editor
b. select the marketing user checkbox in the user record
c. grant the user "read" profile permission for the campaign object
d. select the "manage campaigns" profile permission