# 4) [30pts] Before the pandemic, I often went to Dodger Stadium to watch baseball with my grandfather. He likes to buy Soda S and Nuts N; his utility function for Soda and Nuts is u(S, N) = 51/2 + N\"2 Before the pandemic, the prices of Soda and Nuts were pgd:4 old_4 After the pandemic, the Dodgers announced that the price of Soda would drop but the price of Nuts would go up new=6 \"810:2 p3 3 FN My grandfather had 1200 to Spend on Soda and Nuts over the course of a season before the pandemic and plans to Spend the same amount after the pandemic. (a) How much Soda and Nuts did my grandfather buy in a season before the pandemic? [5pts] (b) How much Soda and Nuts will my grandfather buy in a season after the pandemic? [5pts] (c) If my grandfather wants to obtain the some quantities of Soda and Nuts after the pandemic as before the pandemic, how much would that cost? [5ptS] (d) If my grandfather wants to obtain the some utility from Soda and Nuts after the pandemic as before the pandemic (i) What quantities of Soda and Nuts would he buy? [5pts] (ii) How much would he have to spend? [5pts] (e) Thinking about the change in my grandfather's consumption of Soda and Nuts before and after the pandemic (i) What part of the changes in the two goods are due to the income effect? [5pts] (ii) What part of the changes in the two goods are due to the substi- tution effect? [5pts]