I have a problem in economics on spending pattern in Substitution Effects. Please help me in the following question. Even when your real income were held steady by adjusting for price modifications, your spending pattern would react to modifications in relative prices since of the: (i) Substitution effect. (ii) Income effect. (iii) Wealth effect. (iv) Utility maximizing effect. (v) Marginal utility equality effect.
Choose the precise one.