Charies is in his mid$-80$s$,$ having worked hard throughout his life to build up his wealth. Now, for the first time, he's decided to write a Will. He never married or had children and has always fell distant from his extended family. Instead of leaving his estate to relatives, he's chosen to donate everything to a charity that supports the homeless. This decision reflects his values, as he feels the charity's mission is more meaningful than leaving an inheritance to family members with whom he's never been close. Charles is contemplating three types of Will

$(1$ mark for $\mathrm{.}25$ marks each$)$

a$)$ List them. $(25$ marks$)$

$1.$

$2.$

$3.$

b$)$ Charles anticipates that his family will contest his decision, and he wants to avoid any complications for the charity. Which type of Will noted in a$)$ should Charles avoid? $(.25$ marks$)$

c$)$ State your reason for your response in b$)$: $(25$ marks$)$