An analysis of its effect begins 2 years after adoption. More than two years after guaranteeing employees of Broward County government and its contractors would be paid almost $5 above the minimum wage, county officials have no idea how much the higher pay has cost taxpayers, how many people have benefited or whether companies complied with the requirement. Although the total cost of the living-wage ordinance is not known, it has run into the millions on one contract alone. County commissioners approved a janitorial contract last week that will cost an extra $3.1 million a year because of the law....