19. A rm 5 production technology' is represented by the production function f(x1, x2)= (x 1[3+ xua 3 , where X2 is fixed In the short run. What Is the rm 3 shortrun cost function, when only X1 can be varied? 15 1.13 5 C(w1,w2,q)=w1(q 113 US C(w1)w23q)=w1(q _x2 )3 1f3_ x113 33+) If3_ x1113 )3 w2(q \"'1'? w q2 (1+(:1)112)3+::(1+(2)112)3 A B c. C(w1,w2,q)= w1(q D . C(w1,w2,q)