luciusmonseratt8949 luciusmonseratt8949 29-12-2023 Business contestada For Fatma's utility function u(f,c) = f^0.4 * c^(-0.6), write the expression for the Marginal Rate of Substitution (MRS). Is her MRS diminishing?a) MRS = 0.4 * f^(-0.6) * c^(-0.6); Yesb) MRS = 0.4 * f^(-0.6) * c^(-0.6); Noc) MRS = 0.6 * f^(-0.4) * c^(-0.4); Yesd) MRS = 0.6 * f^(-0.4) * c^(-0.4); No