Bottom line(1) =  The last figure on a financial profit and loss statement or on a bill.

• What is the bottom line? How much do I owe you?  Don’t tell me all those figures.  Just tell me the bottom-line.
• What is the bottom line for this quarter?

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Bottom line(2) = the final result, outcome, decision or the most important point.

• The bottom line is that the chairman wants to dictate all of the Board’s decisions.
• The bottom line ,however, is that he has escaped.
• The bottom line is that the new policy is going to affect the profitability of the company.
• How’ll the rise in interest rates affect our bottom line?
• The bottom line is that the majority of the children are physically unfit.(basic fact)

Somebody’s bottom line(3) =  The lowest amount of money that someone is willing to give or receive in payment for something.

• His bottom line on this job as a programme developer is rupees twelve lakh .  He says he can’t do it for less.
• She demands two crore rupees as the bottom line for her property.