Which of the following describes the function of the TCO Calculator?
a) The TCO Calculator is used to estimate the anticipated AWS bill.
b) The TCO Calculator will forecast 3 months of AWS billing.
c) The TCO Calculator is a free tool that allows for viewing charts and a history of AWS costs.
d) The TCO Calculator is a free tool that allows for an estimation of the cost savings to be had by migrating to the AWS Cloud from an on-premises datacenter.