Business Central requests a DMN file from a different DMN.

I'm attempting to call one DMN file from another using RedHat Business Central.

If the salary is greater than $40,000, calculate tax using firstdmn; otherwise, use seconddmn.

I've added a context and literal expression to the Tax DMN decision, and I've also provided a model. However, I do not know how to proceed. Please suggest a solution.