A small company has hired you to take over its IT needs. The company currently has seven on-site employees and 12 remote employees working from their homes and is looking to hire an additional 20 employees in the next six to eight months. the owners of the company are asking you to obtain a business service that will meet the needs of the current staff as well as scale up when the company grows. The services must provide adequate and scalable computing power and storage. which cloud service model should you implement ?
a) SaaS
b)IaaS
c)XaaS
d) PaaS