\(\theta_{0}^{\text{Test}\ \text{results}\ \text{unit}}=\operatorname{max\ \ }{\frac{\text{sum}\ \text{weighted}\ \text{outputs}\ \text{of}\ \text{Test\ results\ unit\ of\ }\text{lab}_{o}}{\text{sum}\ \text{weighted}\ \text{inputs}\ \text{of}\ \text{Test\ results\ unit\ of\ }\text{lab}_{o}}=max\frac{\sum_{r_{5}=1}^{R_{5}}u_{r_{5}}y_{r_{5}o}}{\sum_{i_{5}=1}^{I_{5}}v_{i_{5}}x_{i_{5}0}+\sum_{d_{3}=1}^{D_{3}}\eta_{d_{3}}z_{d_{3}o}}}\) (4)
\(\operatorname{s.t.\ \ \ \ \ \ \ \ \ \ =}\frac{\sum_{r_{5}=1}^{R_{5}}u_{r_{5}}y_{r_{5}o}}{\sum_{i_{5}=1}^{I_{5}}v_{i_{5}}x_{i_{5}j}+\sum_{d_{3}=1}^{D_{3}}\eta_{d_{3}}z_{d_{3}j\ }}\leq 1\ \ ,\ \ \ j=1,\ldots,n\)
\(\eta_{d_{3}},\ v_{i_{5}},\ u_{r_{5}}\ \geq 0\ ,\ d_{3}=1,2,\ldots,D_{3}\ ;\ i_{5}=1,2,\ldots,I_{5}\ ;\ r_{5}=1,2,\ldots,R_{5}\text{\ .}\)