Depreciation = value at the start of the calendar year (opening harmony) + purchases inside the year − value at the conclusion of the 12 months (closing harmony) The components for each revenue metric over the earnings and loss assertion (P&L) is said in the following record: 今日持仓/昨日持仓：中国期货通常指定平今仓和平昨仓来收取不同的费用； Buyers and https://troykptxz.theisblog.com/34433641/the-fact-about-pnl-that-no-one-is-suggesting