If you have chosen an entered cost for your task the screen will looks something like this:
You can use this screen if you are getting someone else to perform this task.
External cost: How much you are being charged for the task.
External cost +1000: How much your external supplier would charge you if you wanted this
task performed for an extra 1000 copies.
Total cost: This is the total (pre profit) figure for the Press part of this component, including an
allowance for this task's contribution to overhead
Total cost +1000: The true extra cost, including markup, for this task if an extra 1000 copies are
required.