def addMPCandHumanWealth(self,solution):
        '''
        Take a solution and add human wealth and the bounding MPCs to it.

        Parameters
        ----------
        solution : ConsumerSolution
            The solution to this period's consumption-saving problem.

        Returns:
        ----------
        solution : ConsumerSolution
            The solution to this period's consumption-saving problem, but now
            with human wealth and the bounding MPCs.
        '''
        solution.hNrm   = self.hNrmNow
        solution.MPCmin = self.MPCminNow
        solution.MPCmax = self.MPCmaxEff
        return solution
Take a solution and add human wealth and the bounding MPCs to it.

        Parameters
        ----------
        solution : ConsumerSolution
            The solution to this period's consumption-saving problem.

        Returns:
        ----------
        solution : ConsumerSolution
            The solution to this period's consumption-saving problem, but now
            with human wealth and the bounding MPCs.