On 2 June 2008, Luzibo wrote to Mowana Ltd applying to buy 7,000 shares in Mowana Ltd. On 5 June Mowana’s board of directors met and agreed to allot 7,000 shares to Luzibo. On 6 June at 9.00 am Luzibo phoned Mowana Ltd and informed them that she was no longer interested in buying the shares. On the same day at 10.00 am Mowana Ltd posted a letter informing Luzibo that the company had allotted her the 7,000 shares applied for. Luzibo received this letter on 9 June. Mowana Ltd wishes to sue Luzibo for breach of contract.Required:

(b) State whether your answer would be different:(i) if Mowana Ltd had posted their letter to Luzibo at 8.00 am on 6 June; and (3 marks)(ii) if Luzibo had requested the company to enter her name in the register and sign it on her behalf. (2 marks)

两个捕鱼的企业，已经知道市场上鱼的价格为P，而两家企业捕鱼的成本为：
C(q_i)=Qq_i，其中Q=q₁+q₂
(1)要求Nash均衡时，两家企业的捕鱼量和利润。
(2)若两家合并为一家，那么再问捕鱼量和利润。
(3)比较(1)，(2)的利润，问为什么会有这些差异。