Vlad and Melita both earn $400 per week. Suppose that Vlad gets a raise of $50 per week and Melita gets a raise of $60 per week. Questions: (a) Vlad's purchases of peaches increase from 10 per week to 15 per week. Calculate his income elasticity for peaches (3 marks) (b) Melita's purchases of peaches change from 5 per week to 2 per week. Calculate her income elasticity for peaches (3 marks) (c) What is the difference in attitude toward peaches for both Melita and Vlad? Please explain...(3 mar