I believe it is free.
Income - is any money being paid into the business. Expenditure is anything paid out - from a paper-clip to a company car
Prices Range:Most PC Computers:350-$1,400Mac Laptops-$1,000-4,000Mac Pro $5,000-$29,000 -With Everything
It varies by each volcanoe.
300,000x60x60x24x365 kilometres - do the maths!