How can I express shortly, that I use something for somethin

[kasamb]

Hi,

I mean for example the following:

-Valuation of bonds by present value approach/method
-Valuation of bonds with the help of present value approach/method
-Valuation of bonds using present value approach/method

What would be right and the most common?

Thanks

[Keswick (Contributor)]

I would say option 3, but what exactly are you trying to say in German, please?