Don't forget to add the man-hours related to the licenses: 1) Navigate the licenses 2) Talk to the 3rd-party re-sellers (their response time varies) 3) Appro

Don't forget to add the man-hours related to the licenses: 1) Navigate the licenses 2) Talk to the 3rd-party re-sellers (their response time varies) 3) Approval to purchase These are "hiccups" that will slow down all projects were you had to go through them (and it is uncommon situation in Microsoft shops).