单向双向：某些产品的手续费只在开仓时收取，有些则在开仓和平仓时都收取； It is vital to compare P&L statements from different accounting periods, as any variations eventually become more significant when compared to the figures on their own. "hitparade.ch - Discographie PNL". Hung Medien. Retrieved 26 September 2016. ^ a b c d e file g h i j k l https://ricardoruxad.blogerus.com/56414154/examine-this-report-on-pnl