Jacks convenience store is open for 20 hours a day monday throughsaturday there is always one employee int he store the sotre employs three full time employees who work 40 hours per week and ear 9 per hour th store also spends 200 per week on each full time employee benifits thier labor contract requires tha thy earn double tim for any overtime work and that they employee who wroks 30 hours or more per week be given full benifits the store is considering expanding its hours to 24 hours per day monday through sasturday and 16 hours on sunday how much would it cost the store ot expand its hours and have its current employee work overtime to cover the extra hours