Suppose the price of food is $1 per unit and the price of all other goods is $2 per unit. Graph the budget line for a consumer with $20 of income. Then, graphically show what happens if income increases to $30. In a separate graph, show what happens when the price of food increases to $2 per unit.

Suppose the price of food is $1 per unit and the price of all other goods is $2 per unit. Graph the budget line for a consumer with $20 of income. Then, graphically show what happens if income increases to $30. In a separate graph, show what happens when the price of food increases to $2 per unit