Accounting question

computing direct materials used

piedmont, inc. has complied the following data

purchases in raw materials $6,400
freight in 200
property taxes 900
ending inventory of raw materials 1,500
beginning inventory of raw materials 4,000

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon