Consider the Solow growth model with the production function, Y = F(K, L) = à x K+B x L where à > 0 and B > 0. Denote k = K/L. Let d denote the depreciation rate and 5 the saving rate. There exists a positive steady state (with k>0): a. Always b. Never c. If à > B. d. If d > ŠĀ. e. If d < 5