A $4\mathrm{.}5$ cm $3\mathrm{.}0$ cmcm rectangle lies in the xz$-$plane with unit vector n$^$ pointing in the $+$y$-$direction. What is the electric flux through the rectangle if the electric field is E$=(4000$i$^2000$j$^)$N$/$CE$=(4000$i$^2000$j$^)$N$/$C$?$ What is the electric flux through the rectangle if the electric field is E$=(4000$i$^2000$k$^)$N$/$CE$=(4000$i$^2000$k$^)$N$/$C$?$