Machine-related rate = $160,000 / (10,000 + 40,000) = $3.20 per machine hour.
Other overhead rate = $240,000 / (30,000 + 30,000) = $4.00 per packing order.
Overhead cost per unit for Hooked
= [($3.20 × 10,000) + ($4 × 30,000)] / 200,000
Overhead cost per unit for Straight
= [($3.20 × 40,000) + ($4 × 30,000)] / 2,000,000