Cost-Benefit Analysis for a Private Good Is Facilitated by Which

Multiple Choice

Cost-benefit analysis for a private good is facilitated by which of the following facts?
(i) buyers of a private good reveal the value they place on a good by the prices they are willing to pay
(ii) a private good cannot be rival
(iii) sellers of a private good are likely to purchase inputs in regulated markets
(iv) sellers of private goods reveal their costs by the prices they are willing to accept

A) (i) , (ii) , (iii) and (iv)
B) (i) and (iv) only
C) (ii) and (iii) only
D) (i) , (ii) and (iv) only