## 4 Results
### Integration of Boundary Conditions, KPIs and Temporal Dependency
\begin{table}
\begin{tabular}{l l l l l l} \hline \hline \multirow{2}{*}{**ID**} & \
\begin{tabular}{c} **Economic Target** \\ **VALUE** \\ \end{tabular} & **KPI** & **Calculation/Reference** & **Unit** &
\begin{tabular}{c} **Benchmark** \\ **(R. Reference, A:** \\ **Alternative**) \\ \end{tabular} \\ \hline \(1000\) & **Product costs** & Direct material costs (C\({}_{\text{max}}\)) & Gross material costs * Material overheads * Supplier costs * & [€] & \(\text{C}_{\text{max},\text{A}}<\text{C}_{\text{max},\text{R}}\) \\  & & Supplier overheads [55] & & & \\ \hline \(1010\) & **Product quality** & Volume (\(\Gamma\)) & Classical volume calculation for geometric elements & [cbm] & depends on product \\ \hline \(1020\) & **Product quality** & Feature efficiency ratio (R\({}_{\text{gal}}\)) & Number of unused features/Total number of features * 100 & [\%] & \(\text{R}_{\text{gal}}\to\text{$\eta$}\) \\ \hline \(1030\) & **Product quality** & Weight (\(\Psi\)) & Volume * Density & [kg] & depends on product \\ \hline \(1040\) & **Product costs** & Direct material costs (C\({}_{\text{max}}\)) & Gross material costs * Material overheads * Supplier costs * & [€] & \(\text{C}_{\text{max},\text{A}}<\text{C}_{\text{max},\text{R}}\) \\  & & Supplier overheads [55] & & & \\ \hline \(1050\) & **Process time** & Coordination time (T\({}_{\text{cost}}\)) & Time per process (coordination) * Number of repetitions & [h] & \(\text{T}_{\text{max},\text{A}}<\text{T}_{\text{max},\text{R}}\) \\ \hline \(1060\) & **Process time** & Product development (T\({}_{\text{gal}}\)) & Time per process (development) * Number of repetitions & [d] & \(\text{T}_{\text{max},\text{A}}<\text{T}_{\text{max},\text{R}}\) \\ \hline \(1070\) & **Process costs** & Development costs (C\({}_{\text{gal}}\)) & Cost rate * Time per process (development) * Number of repetitions & [€] & \(\text{C}_{\text{max},\text{A}}<\text{C}_{\text{gal},\text{R}}\) \\ \hline \(1080\) & **Process flexibility** & PD capacity flexibility (F\({}_{\text{gal}}\)) & Share of development capacities saved through outsourcing & [\%] & \(\text{F}_{\text{gal},\text{A}}>\text{F}_{\text{gal},\text{R}}\) \\ \hline \(1090\) & **Process time** & Time for critical path in PD (T\({}_{\text{gal}}\)) & Critical path method (CPM) [56] & [d] & \(\text{T}_{\text{gal},\text{A}}<\text{T}_{\text{gal},\text{R}}\) \\ \hline \(1100\) & **Process flexibility** & PD temporal flexibility (F\({}_{\text{gal}}\)) & Share of development times saved through parallel development & [\%] & \(\text{F}_{\text{gal},\text{A}}>\text{F}_{\text{gal},\text{R}}\) \\ \hline \(1110\) & **Process time** & Time to complete prototype testing (T\({}_{\text{gal}}\)) & Critical path method (CPM) [56] & [d] & \(\text{T}_{\text{gal},\text{A}}<\text{T}_{\text{gal},\text{R}}\) \\ \hline \(1120\) & **Product quality** & Product Innovation Index (I) & Product Innovation Index Using Linkograph Analysis [58] & [\%] & \(\text{I}_{\text{A}}>\text{I}_{\text{R}}\) \\ \hline \(1130\) & **Product flexibility** & Generational Variety Index (GVI) & Design for Variety method [59] & [0:1] & GVI \(\to\) 0 \\ \hline \(1140\) & **Product quality** & BenefitCost Ratio (RCR) & Benefit cost analysis [60] & [\%] & \(\text{BC}_{\text{A}}>\text{BC}_{\text{R}}\) \\ \hline \(1150\) & **Portfolio flexibility** & Market segments coverage ratio (R\({}_{\text{RSC}}\)) & Number of market segments covered/number of market segments to be addressed & [\%] & \(\text{R}_{\text{RSC},\text{A}}>\text{R}_{\text{RSC},\text{R}}\) \\ \hline \(1160\) & **Process time** & Time for variant derivation (T\({}_{\text{data}}\)) & Time per process (reaction of variants) * Number of repetitions & [h] & \(\text{T}_{\text{data}}<\text{T}_{\text{data},\text{A}}\) \\ \hline \(1170\) & **Product quality** & Failure rate ratio (R\({}_{\text{gal}}\)) & Number of failures per time frame/Number of processes per time frame * 100 & [\%] & \(\text{R}_{\text{gal}}\to\text{$\eta$}\) \\ \hline \(1180\) & **Process time** & Failure rate ratio (R\({}_{\text{gal}}\)) & Number of failures per time frame/Number of processes per time frame * 100 & [\%] & \(\text{R}_{\text{gal}}\to\text{$\eta$}\) \\ \hline \(1190\) & **Product quality** & Product reliability (PR) & Share of already tested components & [\%] & \(\text{PR}_{\text{A}}>\text{PR}_{\text{R}}\) \\ \hline \hline \end{tabular}
\end{table}