A measure of economic goodness, which does not involve
sales revenues for products and is also used for
preliminary estimates when comparing alternative flowsheets
during process synthesis or alternative product concepts
during the concept stage of the SGPDP, is the
annualized cost. It is the sum of the production cost and a
reasonable return on the original capital investment where,
again, the reasonable return on investment, imin, is taken here
as 0.2. Thus,