PNL NO FURTHER A MYSTERY

$ In the "get the job done situation" you liquidate the portfolio at $t_1$ realising its PnL (let me simplify the notation a little bit)Picture that this trade is really a CFD or possibly a forex with USDEUR. I make use of a leverage of 50 for purchase. How really should I include things like this leverage in just my PnL calculations?At the conclus