how to find the optimal labor ratio Lc/Lf? (heckscher ohlin model)

Heckscher - Ohlin Assume cloth & food are produced accourding to the following production functions : M / J YC=Ko.75 0.25 0.25 YF = KE 0175 Find an expression for the optimal labor ratio , Lc / LF Hint. Make sure the labor ratio is explained in terms of exogenous variable and choice ke , KE . B. show how an increase in the price of cloth affects real income for capitalists c , ~ real income for workers