Comparing P&L Statements It is necessary to check income statements from different accounting durations. The explanation powering this is that any variations in revenues, working prices, investigation and advancement (R&D) spending, and Internet earnings as time passes tend to be more meaningful compared to the numbers by themselves. “盈亏修正”主要指的是交易成本，通常在投机交易中占比... https://pnl45678.thecomputerwiki.com/5558835/pnl_an_overview