3. (75 XP) Design a Customer class to handle a customer loyalty marketing campaign. After accumulating $100 in purchases, the customer receives a $10 discount on the next purchase. Provide methods def makePurchase(self, amount) def discountReached(self)

Provide a test program and test a scenario in which a customer has earned a discount and then made over $90, but less than $100 in purchases. This should not result in a second discount. Then add another purchase that results in the second discount.

4. (75 XP) Implement a superclass Appointment and subclasses Onetime, Daily, and Monthly. An appointment has a description (for example, see the dentist) and a date. Write a method occursOn(year, month, day) that checks whether the appointment occurs on that date. For example, for a monthly appointment, you must check whether the day of the month matches. Then fill a list of Appointment objects with a mixture of appointments. Have the user enter a date and print out all appointments that occur on that date.