̲, ش, ,cost marginal: гݻ ٵ ͳ dz ߳ ٳϳ ۳ ݻ ٳݻ: γ׳ųϻ ѻϳ ϳ ͳ ٵ ͳ ϳ ͳ : ϳųϻ ѻϳ ٵ ͳ , ӻݳ ϳ, û dzϳ ݻ ݻݻ ݻ 񳵻ٳٵ:

̲̲ز . ,treak- even price: 볷۳ ٻ, ӻݳ۳ ٳϳ, ͳ ϳ ѳ , ` ߳ ѳ :

̲̲ز κ. ,drake-even point (in makroeconomics) ѳ, ϳ ѳٳ ϳ ٳϳ, ϳ 100 ͳ ٳ ( ϻ, ϳ ݳ, ݳ): ϳ ݳ ϳ ٳϳݻ: