Are my ordinary accounting calculations relevant to the calculation of forex realisation gains or losses for tax purposes?

If you are in business, you may have to apply generally accepted accounting principles to work out the notional foreign exchange gain or loss on your forex account at the end of each income year for other purposes (that is, for purposes other than taxation). This accounting exercise is generally irrelevant for the purposes of applying the forex rules. More.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.