Depreciation = Benefit firstly with the 12 months (opening balance) + buys inside the 12 months − value at the end of the 12 months (closing equilibrium) “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。 It is necessary to compare the cash flow assertion With all the hard cash movement assertion consi... Successfully Submitted (Awaiting Approval)