Mr. Omondi demand function for rice is given by
X = 15 + M (25P) -1
Where X = amount of rice demanded, M = income of the consumer, P = price of rice.
Originally, the income of Mr. Hassan is 19,200 per month and the price of rice is kshs. 200/kg. If the price increases to kshs 240/kg, calculate to total effect (TE), substitution effect (SE) and Income effect (IE) emanating from this change in price. Is rice an inferior or a normal good.