schweser exam 3 afternoon q52

question is asking us to hedge interest rate risk by decreasing the duration on a loan. The debt is 20yr at 25m and will be issued in 9mths…

They said the D of the debt is 9.9, but I cant see where they got that from!!! Any help please?

i thought someone stated that this was an erratum – remember reading that somewhere. It should have been given, but missed.

This is in the Errata