Lens Care Inc. (LCI) manufactures specialized equipment for polishing optical lenses. There are two models - one mainly used for fine eyewear (F-32) and another for lenses used in binoculars, cameras, and similar equipment (B-13). The manufacturing cost of each unit is calculated using activity-based costing, using the following manufacturing cost pools: Cost Pools Materials handling Manufacturing supervision Assembly Machine setup Inspection and testing Packaging Allocation Base Number of parts Hours of machine time Number of parts Each setup Logged hours Logged hours Costing Rate $ 2.40 per part $14.80 per hour $ 3.30 per part $56.50 per setup $ 45.50 per hour $19.50 per hour LCI currently sells the B-13 model for $1,775 and the F-32 model for $1,220. Manufacturing costs and activity usage for the two products are as follows: Direct materials Number of parts Machine hours Inspection time Packaging time Setups B-13 $164.50 160 7.90 1.70 0.90 3 F-32 $ 75.60 120 4.20 0.80 0.50 2 The market price for B-13 and F-32 are reduced to $1,695 and $1,095 respectively. To achieve the target cost, Lens Care plans to reduce materials handling costs. How many parts must be removed from B-13 in order to achieve the target cost for B-13 (round up to whole units)? Multiple Choice 46 O 53 O 15 34 O 25