An animation company wants to build a new app that would support multiple genres of anime and cartoon. They want to roll out new cartoons every week and keep updating their app with better design. But they do not want to split their focus by provisioning and managing infrastructure. Which service model is best suited for the above scenario?

Platform as a Service $($PaaS$)$

infrectructure as a Senvice $($Iaas$)$

Software as a Service $($SaaS$)$