Suppose the pineapple market in Malaysia is perfectly competitive. The cross-price elasticity of demand for pineapple with regard to the price of banana is -0.8.Other things being equal, critically analyse the effects each of the following situations will have on the equilibrium price and quantity of pineapple if:

(a)researchers found that (use an appropriate diagram).(3 marks)

(b)wages fall (use an appropriate diagram).(3 marks)

(c)both events in (a) and (b) happen simultaneously (no diagram is required).(2 marks)