(3) \(\pi_{i}=\frac{\varphi_{i}\left(\text{Lab\ i}\right)}{\varphi_{1}\left(Lab\ 1\right)+\varphi_{2}\left(Lab\ 2\right)+\ldots+\varphi_{25}(Lab25)}*IN\ \ ,\ \ i=1,2,\ldots.,25\ \ \ \ \ \ \ \ \ \ \ \)