Depreciation = benefit in the beginning on the calendar year (opening stability) + purchases from the yr − price at the end of the calendar year (closing stability) “盈亏修正”主要指的是交易成本，通常在投机交易中占比较小。盈亏修正的计算实际上非常复杂，不同的交易所可能有不同的规则格式来规范交易行为。 The harmony sheet is often presented as of the last working day of the organization’s f... https://pnl04791.dm-blog.com/34282920/the-single-best-strategy-to-use-for-pnl