Suppose we are given the constant returns-to-scale CES production function: q = (k, + F)' a. Show that MP,-(q/k) l p and MP = (qA) l p b. Show that RTS-(k/l) 1-p and from! this that σ-1/(1 p) c. Determine the output elasticities for k and 1, and show that their sum equals one.