请问以下怎样翻译?

Take off Qi to sell square should calculation provide a cash discount creation of the cost increase or decrease a net sum, with decision whether provide cash discount and provide what condition of cash discount.

摘祺售方应计算提供现金折扣所产生的成本增减净额,以决定是否提供现金折扣和提供什么条件的现金折扣
Takes off the to sell the square and should compute to provide the cash discount produce of the cost increases or decrease the net sum, with the decision whether provide the cash discount and provide what conditional cash discount