finite series of equal payments that occur at regular intervals
annuity
If the first payment occurs at the end of the period, it is called an
ordinary annuity
If the first payment occurs at the beginning of the period, it is called an
annuity due
infinite series of equal payments
perpetuity
Interest rate, rate of return, or discount rate per period—typically, but not always, one year
r
t = what
number of periods
Present value of a perpetuity of C per period PV =
C/r
The interest rate expressed as if it were compounded once per year.
effective annual rate
Used to compare two alternative investments with different compounding periods
effective annual rate
The annual rate quoted by law
annual percentage rate
APR = what
Periodic rate × Number of periods per year
periodic rate = what
A P R÷Periods per year
EAR formula is what
[1 + APR/m]^m - 1
ear formula is what in excel
effect
Suppose if you put it in another account, you earn 3 percent per quarter.
What is the A P R?
12%
example of a pure discount loan
treasury bill
what is a pure discount loan
Principal amount is repaid at some future date
Interest paid =
Beginning balance × Rate
Principal paid =
Total payment − Interest paid.
Ending balance =
Beginning balance − Principal paid
par value of a bond is what , when is it paid
face value, replied at maturity
coupon interest rate is what
stated interest rate
coupon payment = what
coupon interest rate times par value
years until bond must be repaid
maturity