The price of one kg of tea is ₹ 30. At this price ₹ 5 kg of tea is demanded. If the price of coffee rises from ₹25 to ₹35 per kg, the quantity demanded of tea rises from 5 kg to 8 kg. Find the cross price elasticity of tea.
1
(+) 0.5
2
(+) 1.0
3
(+) 1.5
4
(-) 1.8