answers needed for these questions -

A firm has a production function of f(L,K, E) where L is labor, K is capital, and E is energy. It maximizes profits. How much of each input does it use and what is the level of output and profits if profits are A = Pf ( L.K, E) -WL-rk-ZE and the production function is f ( L, K, E) = BLOKE; With at a + ag