Software as a Service$($SaaS$)$ has many advantages.sadly,there are also some disadvantages.Considering the pros and cons listed below,Which statement is most correct?

SaaS has the advantage of overall reduction of costs but does not support scalability.However,the Cloud service provider$($CSP$)$ may provide scalability by sharing assets$($Software licenses$)$ between concurrent customers while billing both for the same license

SaaS has the disadvantage of not providing the customer with the control of components $,$but this is an advantage because the customer has no control over security

SaaS has the advantage of reduced support costs because there i slittle to no application customization

SaaS has the advantage of packed solutions which reduces complexity and deployment issues