问题如下：
When comparing with comparable companies, which stock valuation model is preferable?
选项：
A. A multiplier model.
B. A present value model.
C. An asset-based valuation model.
解释：
A is correct.
While all models can be used to compare different companies, the advantage of the multiplier model is that you can reduce the different basic data points to the format that allows direct comparisons.
请问ABC三个model分别在什么情况下用？
