Help please

1. Is discrimination allowed in a real estate transaction? If not, why not? If so, why? (Give examples to support your answer) 2. You have a buyer from Puerto Rico and she tells you that she would prefer to live in a neighborhood with other Puerto Ricans. What would you recommend to her and why? 3. A gentleman named Tom wishes to rent an home from Suzy and Mike. Tom uses a wheelchair and would like Suzy and Mike to pay to make renovations to make the property more accessible. Tom is a very well qualied tenant with great income and credit. Suzy and Mike refuse to pay for the renovations. What should Tom do? Did Suzy and Mike break the law