A G P r , f = 1 = Y L r ∗ L D r , l = 1 {\displaystyle AGP_{r,f=1}=YL_{r}*LD_{r,l=1}} A G P r , f = 1 = Y L r ∗ L D r , l = 1 {\displaystyle AGP_{r,f=1}=YL_{r}*LD_{r,l=1}}