One bill per work order, built from the WO itself — the crew's own lines with the time
converted to an amount at the day rate on the job-cost sheet, or the flat amount on a sub's WO
line. View bills asks for the crew password — that page carries the crew costs and
the job's invoice. Creating them asks for it every time.
Who presses this: Ludy — he runs both presses, right after
Build the work orders (April as his delegate).