Jacob receives an allowance of $12 per week. He spends all his allowance on ice cream cones and cans of Lemon Fizz soda. When the price of ice cream cones is $0.50 per cone and the price of Lemon Fizz is $1 per can, Jacob faces the budget constraint "BC,'. Suppose the price of ice cream cones rises to $2 per cone Use the line drawing tool to draw in Jacob's new budget constraint. Label this line BC₂¹ Carefully follow the instructions above, and only draw the required objects. Ice cream (number of cones) ***** 22- 20- 18- 16- 14- 124 10- 8 24 AC₁ 9 10 11 12 13 14 Lemon Fizz (number of cans)

A basket of goods for a given consumer includes two goods, X and Z. Consumer income is equal to $200 and the prices of these two goods are as follows: Px = $20 Pz = $25. Suppose that over the course of a year, the price of good X increases by 150% and the price of good Z decreases by 50%. Use the line drawing tool to show this change in prices by drawing a new budget constraint for the same level of income. Label this line 'L²₁. Carefully follow the instructions above, and only draw the required object. Using the income ratio and the consumption bundle R shown in the diagram to the right, what is the rate of inflation?%. (Enter a numeric response using a real number rounded to two decimal places.) C Good Z 16- 14- 12- 10- 8- 6- 4. 2- 0- 0 -2 4 | 2 + R 6 8 Good X 10 12 14 16

The nearby graph shows Charlie's budget constraint for purchases of shoes and purses. Number of 12 purses 10 8 6 4 2 0 Your answer Budget line with discount Budget line no discount 0.5 1 1.5 2 2.5 Number of pairs of shoes If Charlie's monthly budget for shoes and purses is $100 and they buy more than 2 purses, the price of purses is $. _. (Enter your answer as integers without the dollar sign.)

Ravi has £21 to spend on pastries and biscuits. If he spends all the money on pastries, he can afford 15 pastries. The slope of Ravi’s budget line (assuming his pastries consumption is measured on the horizontal axis and his biscuits consumption is measured on the vertical axis) is -3.5 (3.5 in absolute terms). Calculate the price of a pastry and the price of a biscuit. Write down Ravi’s budget equation and draw the corresponding budget line. Mark the consumption bundle mentioned above. In your graph, clearly label the axes, the budget line, and calculate the coordinates of the points of intersection of the budget line with each axis. Interpret each of those points. Discuss how Ravi’s budget set would change if his budget doubles. Show the relevant changes graphically. How could the price of a pastry increase so that Ravi could still afford to buy 15 pastries? Discuss how Ravi’s budget constraint would change if the government imposed a tax of £0.50 per pastry and £0.50 per biscuit.