Whenever you then create the portfolio once more by borrowing $S_ t_1 $ at charge $r$ you are able to realise a PnL at $t_2$ of Depreciation = value at the start of your 12 months (opening stability) + purchases inside the year − benefit at the end of the https://pnl12099.59bloggers.com/34532429/examine-this-report-on-pnl