If Max were to pursue this promotion, what would be the "breakeven" - the number of extra books Max would need to sell in order to not lose money on the calendar giveaway promotion? Assume he would print and give away 7,560 calendars.

i would say a penny hope it you

it's actually a very difficult task, due to not many people can make 2 million dollars in 2 years. besides that, to the not-so-realistic ideas, you can create a business. it could be practically anything, but make it into a business that isn't that known yet, you get me? also, lets not forget about stock market. that's where all the good stuff happens. use investments at the beginning and begin to raise up your business or whatever you're going to do. as this is a very non-realistic idea, it's still worth the shot!

answer; coefficient of correlation;