On Instructions from His Employer, Z Traveled from Atlanta to London

On instructions from his employer, Z traveled from Atlanta to London on a business trip.Z had no desire for a vacation at that time.Z flew round-trip at a cost of $570.Once in London, though, he decided to do some sight-seeing.As a result, he conducted business on five days and engaged in personal activities for three days.Z can deduct only a portion of the travel costs to and from London.