Yes, you are right, I did misunderstand you.
On the page "Select any less common adjustments that apply", you don't need to make a choice at all. By selecting "An adjustment is required for a reason that is not already covered", you are overriding your code for accrued market discount.
If you leave that page blank, you will get your D in 1f.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
