Marco chooses to recommend that Clara be hired for the position. Clara's first task as Nora's secondary paralegal is to draft a testamentary trust. What is this?

a$.$ A trust designed for the benefit of a segment of the public or the public in general.

b$.$ A trust that allows for a portion of the benefits to be awarded to the settlor's favorite charity.

c$.$ A trust created by will to come into existence on the settlor's death.