Lan is 80-years-old and her health is dete

问题：

Lan is 80-years-old and her health is deteriorating. Her two grandchildren have lived with her for many years since their parents died. Lan wishes to transfer her house and other belongings to the grandchildren and to authorise them to carry out banking and other transactions on her behalf. The grandchildren are aged 15 years and 19 years.Required:

(b) Explain how Lan’s grandchildren may be authorised to carry out transactions on her behalf. (5 marks)