The TCO calculation result shows potential savings in on-premises storage costs resulting from the tiering. Multi-year discounts are reflected in the BlueXP tiering license cost down. The costs for AFF/FAS are estimated using Average Selling Prices (ASPs) obtained from research. The cost estimates for tiered cloud object storage were determined by researching price lists from providers. The calculator does not factor in expenses for data transfer associated with cloud providers. The TCO calculation does not include the savings from reducing on-premises data center expenses, such as space, power, and environmental costs.