Returns the accumulated depreciation from specified tables.

Category: | Financial |

is numeric, the period for which the calculation is to be done. For noninteger p arguments, the depreciation is prorated between the two consecutive time periods that precede and follow the fractional period.

is numeric, the depreciable initial value of the asset.

are numeric, the fractions of depreciation for each time period with t1+t2+...tn $\le $ 1.

The DACCTAB
function returns the accumulated depreciation by using user-specified
tables. The formula for this function is

$\begin{array}{c}DACCTAB(p,v,{t}_{1},{t}_{2},\mathrm{.}\mathrm{.}\mathrm{.},{t}_{n})=\{\begin{array}{cc}0\hfill & p\le 0\hfill \\ v({t}_{1}+{t}_{2}+\mathrm{.}\mathrm{.}\mathrm{.}+{t}_{int\left(p\right)}+(p-int\left(p\right)){t}_{int\left(p\right)+1})\hfill & 0<p<n\hfill \\ v\hfill & p\ge n\hfill \end{array}\hfill \end{array}$

An asset
has a depreciable initial value of $1000 and a five-year lifetime.
Using a table of the annual depreciation rates of .15, .22, .21, .21,
and .21 during the first, second, third, fourth, and fifth years,
respectively, the accumulated depreciation throughout the third year
can be expressed as

y3=dacctab(3,1000,.15,.22,.21,.21,.21);

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