Brandon's principal place of business is his jome office. Brandon may deduct expenses related to the use of his home office only if which of the following is true?

The use of a separate office must be generally accepted practice in Brandon's field of business.

It is accessible to the public through a separate entrance.

The office occupies a full floor of the house.

Brandon uses the space several days a week for business purposes. He does not share the space with snyone else or use it for any othet purpose.