Exercise $3$ Cockburn$$s Use Case Template en$$SoftwareLifeCycle $(6\%)($Modelling$)$ Your boss wants you to write down some use cases for the procedure of reserving an e$-$scooter with the app. In our case an user can reserve any scooter for free for up to $15$ minutes. Luckily, you heard about Cockburn$$s use case template in the Requirements Engineering lecture and recall that it is a good method for eliciting and breaking down use cases. a$)$ Start with the template given below: Formulate the goal of the use case as a short active verb phrase. b$)$ Formulate the $$goal in context$,$scope$,$level$,$preconditions$,$success end condition$,$failed end condition$,$primary actor$,$ and $$the triggering event$.$ c$)$ Come up with a meaningful Description of the main success scenario of at least $6$ steps, some Extensions and one Sub$-$Variation. d$)$ Write down the $$priority$,$ the $$performance target$,$ the $$frequency$$ and one $$open issue$.$ e$)$ Nowtransfer the documentation from the template into a corresponding model. To do this, create a UML activity diagram that describes the set of scenarios specified in the use case.