(a) Patrick consumes only two goods: Celtic Music concerts and Celtic Springs Water. Patrick earns $100 per month at his part-time job in the library. The price of Celtic concerts is $10. The price of Celtic Springs Water is $2. Patrick currently goes to 5 Celtic concerts and consumes 25 bottles of Celtic Spring Water in a month. (a) Draw Patrick's budget constraint and optimal consumption bundle. Please put Celtic concerts on the x-axis.
(b) In April Patrick receives a 5% pay increase. Meanwhile the inflation raises the price of concerts to $10.50 and the price of Celtic Springs Water to $2.10. Draw Patrick's new budget constraint and optimal consumption bundle. Please put Celtic concerts on the x-axis. How many Celtic concerts does he attend in April? How many bottles of water does he drink in April?