A rating company uses boxes attached to TV sets to determine what shows, between "Churchil live" and "Lotto" are being watched. In a survey of 1000 households. At the midpoint of the broadcast, their equipment showed that 153 households were watching both, 176 watching Churchil live and 55 were not watching either.
a. How many households were only watching Lotto?
b. What percentage of the households were not watching either broadcast?