Select from: A vertical lineA horizontal lineAn upward loping straight lineAn upward sloping curve which is not a straight lineA downward sloping straight lineA downward sloping curve which is not a straight line

Hayden has preferences over two goods only-beer and pizza. He is able to obtain a great deal so each beer only costs $5 and each pizza only costs $5. His (optimal) consumption of beer and pizza, at these prices for various income levels is shown in table below: Income Beer Pizza $50 3 7 $75 6 9 $125 12 13 a) Use this information to plot Hayden's income-consumption curve (put beer on the horizontal axis). . This curve is [Select ] b) Draw Hayden's Engel curves for beer and pizza. . Engel curve for beer is [ Select ] . Engel curve for pizza is [Select ]