The following table shows observation A on factor demands X, X2, factor prices, W, W2 and output, y for a cost minimizing firm. Fill in the blanks in observation B such that firm's behaviour is consistent with the weak axiom of cost minimization (WACM), also show your calculations in support of your answer. (15 marks) Observations Y W W X X A 100 2 1 10 B 100 20