Answer:
A credit bureau
Explanation:
A credit bureau is a agency which collects the credit history of consumers so that creditors can make decisions about granting loans. So the only logical choice is for Martha's lender to check with them to get her credit history before denying or granting her a mortgage or loan.
The answer would be grades (I think)
Personalities
Personalities all vary from person to person. Depending on what the persons backround is and what theyve seen and gone through there personalities differentiate from each other.