A startup company has received some initial funding and needs to be very careful with their expenditures. They really want to create a private cloud but realize that the high capital costs of equipment will prevent them from being able to do that. Which of the following would be the next best option? a. Build out their product on a standard shared hosting plan at a web hosting company. b. Create a new availability zone on an existing cloud service provider. c. Create a VPC on an existing cloud service provider. d. Build out a data center with individual physical servers