Which of the following actions would not be a violation of Washington's anti-discrimination laws?

a. Refusal to make a counter offer in response to a clearly frivolous offer.
b. Refusal to make a counteroffer because the offeror is African American.
c. Requiring a large down payment from an African-American buyer.
d. Making a more expensive inquiry into the financial condition of an African-American loan applicant.

Answer: a. Refusal to make a counter offer in response to a clearly frivolous offer.