please please help I will rate definately. All questions pls.

16. Which of the following actually owns the underlying assets of an asset backed security (ABS)? a) The investor b) The originator c) The Special Purpose Vehicle d) All of the above 17. The relationship between rollover risk and liquidity in asset-backed commercial paper (ABCP) is a) Direct b) Inverse c) Equal d) Unrelated 18. The relationship between interest rates and volatility in open National Housing Act mortgage-backed securities (NHA MBSs) is: a) Direct b) Equal c) Inverse d) Unrelated 19. For which of the following investors would a MBS be most suitable? a) Alice, age 18, who wants to see portfolio growth b) Frank, who wants income now that he is retired c) Gigi, who is concerned about her portfolio's tax efficiency d) Ladan, an entrepreneur, concerned about portfolio liquidity