Your network currently has two domains: eastsim.com and sales.eastsim.com.You need to remove the sales.eastsim.com domain.You have removed all domain controllers in the domain except for the DC1.sales.eastsim.com server. Thisserver holds the following infrastructure master roles:RID masterPDC emulatorInfrastructure masterDomain naming masterYou are getting ready to remove Active Directory from DC1. What should you do first?1. Transfer the domain naming master to a domain controller in eastsim.com.2. Transfer the infrastructure master and the domain naming master to a domain controller ineastsim.com.3. Transfer the infrastructure master to a domain controller in eastsim.com.4. Run dcpromo /forceremoval.5. Transfer the all roles to a domain controller in eastsim.com.