Gets estimated costs for a group of servers.

        https://t3n.zendesk.com/entries/22423906-GetGroupEstimate

        :param alias: short code for a particular account.  If none will use account's default alias
        :param location: datacenter where group resides
        :param group: group name

def GetGroupEstimate(group,alias=None,location=None):
        """Gets estimated costs for a group of servers.

        https://t3n.zendesk.com/entries/22423906-GetGroupEstimate

        :param alias: short code for a particular account.  If none will use account's default alias
        :param location: datacenter where group resides
        :param group: group name
        """
        if alias is None:  alias = clc.v1.Account.GetAlias()
        if location is None:  location = clc.v1.Account.GetLocation()
        group_uuid = clc.v1.Group.GetGroupUUID(group,alias,location)

        r = clc.v1.API.Call('post','Billing/GetGroupEstimate',{'AccountAlias': alias, 'HardwareGroupUUID': group_uuid})
        if int(r['StatusCode']) == 0:
            return(r)