Income Technique The money technique, that is also called the cash accounting process, is barely applied when funds goes in and out in the company. This can be a very simple method that only accounts for hard cash been given or paid out. 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； Composing for openDemocracy, Adem Ferizaj stated: https://bookmarkfox.com/story4867799/details-fiction-and-pnl