Incident managers begin planning for the demobilization process:
a. when incident activities shift from response to recovery.
b. right before the first resources are ready to be released.
c. as soon as possible to facilitate accountability of the resources.
d. after being requested by the emergency operations center.

i dont know but thats a great qusestion

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.