Present value of a level annuity-certain

Computes the present value of an n-period annuity certain with level payments of 1 per period.

Usage

annuity_certain(n, i, due = FALSE, m = 1, cont = FALSE)

Arguments

n

Number of payments or periods.

i

Effective interest rate per period.

due

If TRUE, annuity-due; otherwise annuity-immediate.

m

Payment frequency per period (m = 1 means annual).

cont

If TRUE, continuous payment model.

Value

Present value.

Examples

annuity_certain(n = 10, i = 0.05)
#> [1] 7.721735
annuity_certain(n = 10, i = 0.05, due = TRUE)
#> [1] 8.107822
annuity_certain(n = 10, i = 0.05, cont = TRUE)
#> [1] 7.913209