THE FACT ABOUT PNL THAT NO ONE IS SUGGESTING

That isn't the same as the pnl equalling the price compensated, instead the envisioned pnl with the tactic can be the same as the option value. $endgroup$To generate the two solutions equivalent it is best to visualize investing/borrowing $PnL_1$ at charge $r$ to ensure it stays within the procedure until eventually $t_2,.$ At that time your$beging