Member 5: 19. Show available halls by type: Given an event place ID, display the count of all available halls by hall type. 20. Event Invoice: Input: Event reservationID. Output: Name of person that reserved the event Event place name, type, and address Event hall number(s), rate per day and possibly multiple halls (if someone reserved several rooms) Services rendered per date, type, and amount Discounts applied (if any} Total amount to be paid 21. Income by State Report: Input is a specific state. Print total income from all events as follows: Each output line should contain information of a specific event ID (income from halls, income from services, total income of this event). At the end of the report, print the total income of all events and services. Include discounts