Specify yield curve for determining net
In this step, you define the yield curves for determining net
present value from the cash flow values of appropriation requests.
You call the function manually for determining net present value,
from master data maintenance for the appropriation request.
For each currency, you can define one yield
curve, with one yield curve type for interest earned, and one yield
curve type for interest charges.
SAP provides a yield curve as an example.
When determining the net present value of appropriation
requests, it is often sufficient to work with a constant interest
rate. In this case, you only need to enter the following for
interest earned and interest charges: the term (life) and a
reference interest rate. Both of these should be valid for a longer
period of time, such as starting with January 1, 1900.
1. Enter a yield curve for the
currency, with a yield curve type for interest charged (yield curve
type 9990) and a yield curve type for interest earned (yield curve
The yield curve types 9990 and 9991
are predefined in the system and cannot be changed.
2. For each yield curve, enter any
number of terms (lives), as points for helping to generate the
These terms, along with their
assigned reference interest rates, determine the course of the
interest curve. The system extrapolates the curve between the
defined terms. After the last defined term, the system continues a
constant calculation using the last reference interest rate (linear
curve parallel to the time axis).
3. For each term, enter at least one
reference interest rate.
You can define the reference interest
rates with a valid-from date. This means you can make the curve
time-dependent. If you do not want to make the curve time
dependent, just enter a reference interest rate with a valid-from
date in the distant past (such as January 1, 1900).