请将下列左右两侧的句子翻译匹配正确。 A. A one-or-two-cent fluctuation in exchange rate is not serious, but if it fluctuates more we`ll be in trouble. B. Comparing with other goods of similar quality, I`m sure you`ll find that our prices are reasonable and very competitive. C. Our price has been narrowly calculated and it is impossible to make anyfurther reduction. D. To start the ball rolling, we`ll allow you a quantity discount. E. We very much regret that our clients find your prices unacceptable. A Korean manufacturer has offered us a price ten percent lower that yours.