Which statement concerning requests for information (RFIs) is true?
a. Responses to RFIs are not offers and may not be accepted by the government to form a binding contract.
b. Responses to RFI's may be accepted by the government to form a binding contract.
c. RFIs are used when the government desires market information and intends to award a contract immediately.
d. Use of RFIs is limited to purchases not exceeding the simplified acquisition threshold.
