(f) Draw the demand curve representing the total demand by Buick owners. On the same graph, use different ink to draw the demand curve representing the total demand by Dodge owners. Lastly, using different ink draw the market demand (demand of all consumers). (Q) When gas price is $1 per gallon, how much does demand fall when price rises by 10 cents? (h) When gas price is $4.5 per gallon, how much does demand fall when price rises by 10 cents? (i) When gas price is $10 per gallon, how much does demand fall when price rises by 10 cents