You have the option of renting a car on a daily basis for $40/day or on a weekly basis for $200/wk. draw your budget constraint for a budget of $360/trip.
a. Find your best affordable bundle if your travel preferences are such that you require exactly $140 worth of other goods for each day of rental car consumption.
b. Alternatively, suppose you view a day of rental car consumption as a perfect substitute for $35 worth of other goods.