Howard enters into a written contract with Cody, a licensed contractor, whereby Cody will build a new home on Howard's property for $200,000. Howard then enters into contracts with a plumbing contractor, an electrical contractor, a roofing contracting, and a painting contractor. Howard's contracts with these sub-contractors is an example of

A.Delegation of duties.

B.Assignment of rights.

C.Novation.

D.Accord and satisfaction.