A factory manufactures model cars. During October work commenced on 110,000 new cars.
 This was in addition to 20,000 that were 50% complete at the start of the month. At the end of October there
 were 40,000 cars that were 50% complete.
 Costs for October were:
 Brought forward
 Incurred this period
 $132,000 (
 If this factory chooses the weighted-average method of spreading costs, what is the cost per car for October
 production?
 a
 1200
 S000
 11,000
 121,000
 1320