Which sentence contains a compound predicate?
(1)The Wilshire Neighborhood association wants to put speed bumps on Fremont Avenue. (2)Construction for the project will cost $600 per speed bump. (3)According to supporters, speed bumps will slow down traffic and make Fremont Avenue a pleasanter place for pedestrians.(4)People worry that the speed bumps will make the traffic on the avenue seem even worse than it is now.