need help, please

Based on the Landscape Plan, what is the total labor cost for the installation of the decomposed granite? Cost Information: Crew Size = 4 laborers Wage Rate = $15.7/hr Benefit Package = $11.68/hr FICA = 7.8% FUTA = 0.79% SUTA = 6.72% Workers Compensation = 11.46% General Liability Insurance = 0.79% Productivity = 101.72 SF/hr Based on the Landscape Plan, what is the total labor cost for the installation of the decomposed granite? Cost Information: Crew Size = 4 laborers Wage Rate = $15.7/hr Benefit Package = $11.68/hr FICA = 7.8% FUTA = 0.79% SUTA = 6.72% Workers Compensation = 11.46% General Liability Insurance = 0.79% Productivity = 101.72 SF/hr