You may indicate whether the price is firm or negotiable.— Вы можете указать, является ли цена окончательной или возможен торг.
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While the mall's owners have put no firm price on the expansion, they have said it will reach at least $1 billion.
Firm prices and strong demand for gypsum products led to a 25% increase in operating profit.
2) твёрдый [устойчивый] курс (ценных бумаг)