2 Perteet Corporation's relevant range of activity is 8,400 units to 6,000 units when it procaces and sells T2 200 units, its overage costs per une are as follows Cost Direct material:s Direct abor Variable manufacturing overhead Fixed manufacturing overhead Fixed selling expense Unit $7.90 $4.80 $1.80 $3,60 e.70 e.40 s8.5e Sales comissions Variable adeinisteative expense If 9,000 units are Choice $41,040 74,320 60120 $32 680