Is it more profitable to receive $2000 now or $3500 in 10 years? Assume that money can earn 6% interest compounded monthly.
I would take the 2000 right now and invest it at the 6% compounded monthly.
In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.