b$.$ For each table listen below, identify five related attributes $($you may include primary and foreign keys as well as non$-$key aturiDutes$).($You may select more than one answer. Single click the box with the question mark to produce a check mark for a correct answer and double click the box with the question mark to empty the box for a wrong answer. Any boxes left with a question mark will be automatically graded as incorrect.$)$

Customer table:

Customer name

Salary basic

Customer zip

Customer email address

Customer#

Customer phone#

Sales table:

$?$ Employee#

$?$ Sales date