You can always ask. If you want to do the math your self, for most companies the cost is predominantly determined by salaries. If you can figure out the number

You can always ask. If you want to do the math your self, for most companies the cost is predominantly determined by salaries. If you can figure out the number and positions of employees, you should be able to estimate it fairly accurate. Figuring out how much they make on the top line is slightly harder, but you can usually estimate it if you can find out how many users they have (which is often not very secret) and if you can guess at how much they make per user (usually roughly the same figure across an industry - so again, not overly secret) If you make your calculations up front, you will know which variables you are least confident about and can try to pry about them at an interview.