Company "Z" produces 3 products referred to as "One", "Two" & "Three", who last month used the following, respectfully: $2,000, $3,000 and $1,000 worth of production labour; 100, 200 and 100 hours of machining hours; 60, 100 and 20 hours of inspection services. Last month indirect costs totaled as follows: inspection costs totaled $4,500, supervision costs totaled $24,000, and machine maintenance costs totaled $8,000. Last month indirect costs for product lines "One", "Two" and "Three" totaled respectfully: $12,167 for each product line $18,500, $11,500, $6,500 $6,500, $11,500, 18,500 $11,500, $18,500, $6,500