In the book "Adventures of an IT Leader," why is Barton in New York when the DOS attack happens?

a$.$ The Board of Directors sent Barton to NYC to find a replacement for the CEO, because IVK's stock price is falling and the CEO is to blame

b$.$ To meet with Wall Street analysts to convince them to write positively about IVK's stock, in an attempt to drive up the price

c$.$ The DOS attack originated in NYC$,$ and Barton is trying to track down the source

d$.$ Barton is meeting with Wall Street analysts to convince them to fund the new infrastructure project at IVK $($because Barton couldn't get investment from the Board of Directors$)$