问

问题如下：

If an investor wants to sell the bond before it matures, the captial gain or loss is calculated by the difference of the selling price and:

选项：

A.

carrying value.

B.

purchase price.

C.

par value.

解释：

A is correct.

The carrying value is amortization cost. The capital gain or loss is measured from the carrying value.

考点：capital gain or loss

解析：CG/L是卖价与账面价值的差，故选项A正确。