Define
Annuity
An investment that involves the regular contribution of money (e.g. superannuation and reducing balance loans)
Formula
Investment recurrence relation
V(n+1) = V(n)(1+r) + D
new value of investment = current value x (1+rate per period) + payment
Formula
Loan recurrence relation
V(n+1) = V(n)(1+r) - D
new value of loan = current value x (1+rate per period) - payment