A firm sells its headquarters building at a gain. This means that at the time of sale:

a. the cash or other assets recieved were greater than the building's book value

b. the cash or assets recieved in a transaction were less than the carrying value of the assets given up

c. the cash or assets received were greater than the building's carrying value

d. the cash or assets received in a transaction were less than the building's book value

e. choices a and c are correct