Jose loaned Mario some money and, to evidence his indebtedness, Mario executed and delivered to Jose a promissory note payable to his order. Jose endorsed the note to Pablo. Bert fraudulently obtained the note from Pablo andendorsed it to Julian by forging (real defense) Pablo's signature. Julian endorsed the note to Camilo (A holder in due course).

a.May Camilo enforce the said promissory noteagainst Mario and Jose?

b.May Camilo go against Pablo?

c. May Camilo enforce said note against Julian?

d.Against whom can Julian have the right ofrecourse?