Question 4 [13] 4.1 Study the following use case description for the use case add new car to an existing policy in car (10) insurance system and develop a systems sequence diagram. Use case name: Trisgering event: Brief description Add car to existing polcy A policy owner wants to add a new vehicle to an existing policy A policy owner supplies policy Information, vehicde information and if necessary, new driver information to the clerk who adds the new vehicle and/or driver to an existing policy Policy owner Actors: Related use cases: Validate policy owner, validate vehicle details, add new driver Pre-conditions: Policy owner must be the owner of the policy The policy must exist Policy premiums must be up to date. Policy must be in force. Vehicle details must be valid. A new car entry is created on an existing polcy A new premium is cakulated An updated policy document is sent to the policy owner Post-conditions: Flow of acthities: ACTOR System 1. The policy owner supplies the poicy nusti 1 The system validates the policy and policy owner by invoking a use case - validate polcy onner- which uses sophisticated woice-recognition to validate a policy owner's identity and whether they are the policy ownor The systers displays the basic insurance policy including whether the premiums are current and whether the policy is in force. 1.2 1.3 The systens ensures thm the given information is 2. The policy owner then supplies the make, medel, valid by invoking a use case vaildate vehicle defails- that check if the vehicle recognized with tbe authorities (eg. in caoe a vchicle is repocted stolen) The sysien validales the requested smount agains the policy limits If a oew driver is to be ndded, them another use case year and Vehicle Identification Number (VIN) of the car to be added 1.4 The poticy owner selects the type of coverage desired and the amount to pay 3. 1.3 4. The poticy owner mast identify all the drivers and odd new driver - is invoked. the percentage of time they drive the car to be insared 1.6 The system calculates a new premiutm amount 1.7 System seods the updated policy statement to the 5. Policy owner receives the updated policy staiement. policy ownor 4.2 What are the three types of frames used on a sequence diagram? Name and describe them. (3)