Open question: FICA tax bookkeeping question assistance?

Employment income recordings for Medenciy company uncover following gross earnings/services for four employees by the wage period of 15 December. C.Ogle$83,500D.Delgado$86,100 L.Jeter$87,600T.Spivey$90,000 for the wage period end 31 December, Bruttoverdienste of each employee is $4,000.The FICA tax rate is 8% on gross earnings/services of $90.000. Instructions compute the FICA withholdings, those for each employee during 31. December wage period to be formed should. (If answer zero please is, gives you to 0, does not leave no field-free area.) I can find this problem out not for the life of me. each possible assistance becomes much estimated