On May 1, 2017, Durban Ltd. issued $500,000, 10 year, 7% bonds at 103. Twenty detachable warrants were attached to each $1,000 bond, which entitled the holder to purchase one of Durbans no par value common shares for $40. At this time, similar bonds without warrants were selling at 96. It was determined that the fair value of Durbans common shares was $35, but the value of the warrants was not determinable. Durban is a private corporation that follows ASPE, but does not use the residual method. On May 1, 2017, Durban should credit Contributed SurplusStock Warrants for

A) $ 0.

B) $20,000.

C) $15,000.

D) $35,000.