Project billing Revenue methods:
a) Cost/Cost - Accrues revenue and bills using the ratio of actual cost to budgeted cost (percent complete)
b) Cost/Event - Accrues revenue using the ratio of actual cost to budgeted cost (percent complete) and bills based on events
c) Cost/Work - Accrues revenue using the ratio of actual cost to budgeted cost (percent complete) and bills as work occurs
d) Event/Event - Accrues revenue and bills based on events
e) Event/Work - Accrues revenue based on events and bills as work occurs