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STANDARDS /FORMULAE / FINANCIAL FORMULAE
 
Definitions Value of a Perpetuity
   
pow (x) = to the power of x
PV = 1 / r
   
Value of a Growing Perpetuity (“Gordon” model)
Annuity
   
PV = 1 / (r - g) PV = (1 / r) - (1 / r (1 + r) pow (t))
   
Capital Asset Pricing Model
Continuous Compounding
   
r = rf + ß (r m - r f)
PV = 1 / e pow (r t)
where: r = the continuously compounded rate of interest
   
Retailing
 
   
where GM = gross margin on retail price and MU =
mark-up on cost price
GM = MU / (1+MU)
MU = GM / (1-GM)
 
 
 
 
   
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