In Class Test Formulae Flashcards
What is the formula for ARR?
average annual profit/average investment x 100
How is average annual profit calculated for ARR?
Total profit/no. years
How is average investment calculated for ARR?
Initial investment + residual value/2
How is future value calculated?
PV x (1+r)^n
How is present value calculated?
FV x 1/(1+r)^r
How is NPV calculated?
ΣCFi/(1+r)^i - investment costs
How is profitability index calculated?
NPV/Initial investment
How is IRR estimated?
r1 + NPV1 /NPV1 - NPV2 (r2 - r1)
How is the present value for a single cash flow calculated?
1/(1 + r)^n
How is the present value for an annuity calculated?
1/r (1 - 1/(1 + r)^n)
How is the present value for a perpetuity calculated?
1/r
How can the nominal rate be calculated if you have the real and inflation rates?
rNominal = ( 1 + rReal)(1 + rInflation) - 1
How can the real rate be calculated if you have the nominal and inflation rates?
rReal = (1 + rNominal) / (1+ rInflation) - 1
How can the inflation rate be calculated if you have the nominal and real rates?
rInflation = (1 + rNominal) / (1 + rReal) - 1
How is the sub annual rate calculated when there are p periods per year?
r = r Annual/p