describe options for purchasing Azure products and services
describe options around Azure Free account
describe the factors affecting costs such as resource types, services, locations, ingress and egress traffic
describe Zones for billing purposes
describe the Pricing calculator
describe the Total Cost of Ownership (TCO) calculator
describe best practices for minimizing Azure costs such as performing cost analysis, creating spending limits and quotas, using tags to identify cost owners, using Azure reservations and using Azure Advisor recommendations