| Estimating TypeTop Down Calculating the cost or sales amount in a top down structure
means you distribute a top amount to the lower level elements. There is no
aggregation of the costs. The structural element you work from determines the amount. The rule is that LN looks for amounts on
estimate lines on level Total/Cost Type/Other Structure/Detail and in that
order. Bottom Up Calculating the cost or sales amount in a bottom up structure
means you give exact amounts for lowest level elements and aggregate them to
make the top amount.
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