Lens Care Incorporated (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 Allocation Base Costing Rate Materials handling Number of parts $ 3.00 per part Manufacturing supervision Hours of machine time $ 14.86 per hour Assembly Number of parts $ 3.60 per part Machine setup Each setup $ 56.80 per setup Inspection and testing Logged hours $ 45.80 per hour Packaging Logged hours $ 19.80 per hour LCI currently sells the B-13 model for $3,125 and the F-32 model for $2,900. Manufacturing costs and activity usage for the two products are as follows: B-13 F-32 Direct materials $ 164.80 $ 75.84 Number of parts 166 126 Machine hours 8.20 4.26 Inspection time 2.30 1.40 Packaging time 1.20 0.80 Setups 4 3 The profit margin based on manufacturing cost for model B-13 is: O $1,383.96. O $1,550.95 O $1,407,43 O $1,308.36