Billboards with hourly yield v1.0.0.0 fs19-mods

Description:

Very small billboard:
Construction cost 500 €
Revenue: Simple 1000 €/h - Medium 500 €/h - Heavy 250 €/h

Small billboard:
Construction cost 1500 €
Income: Simple 2000 €/h - Medium 1000 €/h - Heavy 500 €/h

Large illuminated billboard:
Construction cost 3000 €
Income: Simple 3000 €/h - Medium 2000 €/h - Heavy 1000 €/h