Answer:
No. It is discrimination to set different deposits on the basis of race
Step-by-step explanation:
Discrimination is the act of making distinction between people on the basis of race, group, or class to which they are perceived to belong.
It is unfair and prejudicial treatment of people who share a certain trait.
Examples of such traits are race, age, sexual orientation, and gender.
In the given instance Broker requires a security deposit of "$350 for whites and $500 for blacks".
This is discrimination on racial grounds