please help me to solve this

Question 2 The following table shows the sales of item at Akmal Warong for two years. Quantity of items sold Price (RM) Item 2019 2020 2019 2020 Coffee 110 140 2.00 2.50 Milky Tea 70 120 4.50 5.50 Cocoa drink 100 110 4.00 4.50 Soft drink 60 BO 2.50 3.00 a) State the difference between the base year period and the current year period (2 marks) b) Find the simple price relatives index of item Milky Tea and Cocoa Drink for 2020 (4 marks) c) Calculate the unweighted quantity aggregate index in 2020 (3 marks) d) Calculate the Paasche price index in 2020. Interpret the index obtained. (3 marks) e) Calculate the Laspeyres quantity index in 2020. Interpret the index obtained