A truck costing $45,000 and having an estimated salvage value of $4,500 and an original life of five years is exchanged for a new truck. The cash price of the new truck is $57,000, and a trade-in allowance of $22,500 is received. The old truck has been depreciated for three years using the straight-line method. The new truck would be recorded at:
a. $55,200
b. $57,000
c. $34,500
d. $43,200
e. None of the above