Currency in TIR and TTWROR % profit calculation

I would like to be able to choose the currency in which the TIR and profitability TTWROR are calculated. The following options could be offered:

  1. In the original currency of the transaction.
  2. In the user’s currency.
  3. In the asset’s currency.
  4. Another/s column/s in the asset’s currency.

For example I buy 1 stock at 100USD and I sell at 108.66USD. Then in the chart appears 6.57% profit (not 8.66%) because the FX..