A Donor Made a Cash Contribution of $90,000 to a Private

A donor made a cash contribution of $90,000 to a private not-for-profit organization for the purpose of acquiring a building. The not-for-profit organization properly recorded the gift of cash as temporarily restricted revenue. When the building is acquired, the organization should:

A) Record the building as permanently restricted.
B) Record the building as temporarily restricted.
C) Record the building as either unrestricted or temporarily restricted, as long as a consistent policy is followed.
D) Show an expense equivalent to the amount paid for the building in unrestricted net assets and reclassify the same amount from temporarily restricted to unrestricted net assets.