please from above scenario Solve the following questions: B1. Write one ofthe integrity nules (constraints) (business rules) that should be enforcedin this applicationwith the suitable customized errormessage that should appearto endusers in case of violating this rule.

Read the following scenario and answer the questions in section A and Section B Home Rental Application: You, as a systems analyst and designer, were asked to develop an automated(Home Rental Application), in which apartments' owners can enter information about their personal information like (name, civil numberof owner, expire date of owner civil number, owner's mobile number and owner's bank account number). Each owner canhave more than one home and each home is owned by one owner only. For each home the proposed systemshould keep track of the following data items govemorate, willayt, city, home description number ofbedrooms, number of bathrooms, fumished or not, floor number, total area in meter square, location rent value per month in OMR, deposit in OMR) etc., Customers (tenarts) canuse the application to search for apartments of their choice so that they can contact the owners for coordinating an appointment for viewing a specific apartment and renting. The application should keep track of the following data about the tenant (name, civil number oftenart, expire date oftenart civil number, mobile number, nationality, passport number, passport issue date passport expire date). A tenant can rent more than one home, and a home can be rented to more than one tenant in different time penods The system should also keep track ofrent contract start date, andrent contract end date. When a particular apartment has beenrented the apartment owner candelete their apartment listing from the application. The tenant is responsible fortransferring the monthly rent value before or at the beginning of each month to the owner's bank account number