The table below shows the demand and supply schedules for a commodity.

Price (Sh. Per Kg.)	Demand (Kg)	Supply (Kg)
10	100	20
20	85	36
30	70	53
40	55	70
50	40	87
60	25	103
70	10	120

Required:

1. Determine the demand and supply functions for this market (4 marks)
2. What is the price elasticity of demand for this commodity at equilibrium? (4 marks)
3. How can a firm try to make its products more price inelastic (2 marks)