Katch Co is a small private limited company. Although there are three members of its board of directors, the actual day-to-day running of the business is left to one of them, Len, who simply reports back to the board on the business he has transacted. Len refers to himself as the managing director of Katch Co, although he has never been officially appointed as such.Six months ago Len entered into a contract on Katch Co’s behalf with Mo to produce some advertising material for the company. However Katch Co did not wish to proceed with the advertising campaign and the board of directors have refused to pay Mo, claiming that Len did not have the necessary authority to enter into the contract with him.Required:Analyse the situation with regard to the authority of Len to make contracts on behalf of Katch Co and in particular advise whether or not Katch Co is liable to Mo. (10 marks)

• A．条件(1)充分，但条件(2)不充分．
• B．条件(2)充分，但条件(1)不充分．
• C．条件(1)和(2)单独都不充分，但条件(1)和条件(2)联合起来充分．
• D．条件(1)充分，条件(2)也充分．
• E．条件(1)和(2)单独都不充分，条件(1)和条件(2)联合起来也不充分．

某商场，其中6天交易显示，每日最少购物人数为80人，则这6日平均购物人数大于90．
(1)在购物最多的4天，平均每日购物人数为100；
(2)在购物最少的3天，平均每日购物人数为80．