PLease answer Qs: multiple answer qs

Different types of construction clients have different needs/objectives for construction projects. What are the prevalent client objectives for a property developer who develops high rise residential buildings?(This is a multiple answers question. Select your answers carefully. Incorrect answers automatically carry negative scores.)

a. Absorbing all project risks for the supply-chain.

b. Certainty of completion date

c. Minimum design and construction period

d. High flexibility for the final cost

e. Lowest possible tender