you ask someone
its lets us know how to calculate money
Gross Domestic Product divided by the value of the money supply 1,000,000,000,000 divided by 250,000,000,000 = 4.
To be able to keep up with the amount of money coming in and out of the bank help keep up with the money and to be able to access customers accounts and tell them how much money they have with out having to go pull a big file and calculate how much.
It really depends on what you are trying to calculate. The most common math application is TVM - Time Value of Money which will allow you to calculate mortgage rates, prepayments, and investment value. Any business calculator will have that function
There are a great many examples in the world of discretionary spending. Discretionary spending can be as simple as choosing whether you want to spend your money on ice cream.
discretionary income.
Budget items that remain the same month to moth is an example of a fixed expense that is paid for with discretionary funds. Discretionary fund is the money that is subject to one's own control.
discretionary income ka-ching!
Discretionary Income
Money that can be used for any purpose
Discretionary fiscal policies are those that are enacted in response to a need, for example, a tax cut. Non-discretionary fiscal policies are those that happen regardless of conditions or need, for example, the welfare system.
the amount of money available in a budget after all identified expenses has been paid
Discretionary funds are government spending by passing an appropriations bill to pay for a program such as military spending or education. The money is raised and can only be spent on the program in the bill.
Disposable income is the money a consumer has left after paying taxes to use for necesities such as food housing, clothing, and transportation. Discretionary income is the money that remains after paying for taxes and necessities and is used for luxury items.
Discretionary Income Discretionary income = Gross income - taxes - all compelled payments (bills) Reference: http://en.wikipedia.org/wiki/Disposable_and_discretionary_income
mandatory spending refers to money that lawmakers are required by existing laws to spend on certain programs and discretionary spending is spending about which government planners can make choices