case（南京大学1996年研) On July 1 0，a Chinese company sent an offer by telex to an Ameri

case(南京大学1996年研) On July 1 0，a Chinese company sent an offer by telex to an American company：selling 300tons coffee beans，each metric ton at the price of USD 1，900 CIF New York，firm offer standing for 2 weeks．On July 22，the Chinese company learned that

Can the Chinese company raise the price of coffee beans from USD 1，900 per ton toUSD 2，500 per ton？