. John has a paper route and spends all his weekly allowance on hamburgers and pop. The price of a hamburger is $2 and the price of a pop is $1. every week John buys 20 hamburgers and 10 pop. If the price of a hamburger rises to $4 (because of a ban on beef imports) and the price of a pop falls to 50 cents. Draw indifference curves to answer the following:

a)