Y=Amin{K,L}Y = A\min\{K,L\}Y=Amin{K,L}, A>0A > 0A>0. With W=∂Y/∂LW=\partial Y/\partial LW=∂Y/∂L and R=∂Y/∂KR = \partial Y/\partial KR=∂Y/∂K:
RRR and WWW same for every kkk.
Same for k≤1k\le 1k≤1 but not for k>1k>1k>1.
Same for k>1k>1k>1 but not for k≤1k\le 1k≤1.
None of the above.