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； The formulation for each income metric over the revenue and loss statement (P&L) is mentioned in the following list: It is crucial to compare the income assertion with the cash move statement considering the fact that, beneath the accrual method of accounting, a corporation can log revenues and charges https://connerswybe.jaiblogs.com/61220039/5-simple-techniques-for-pnl