The Bogard Corporation produces three types of bookcases (standard, narrow and wide), which it sells to large office supply companies. The production of each bookcase requires two machine operations, trimming and shaping, followed by a third operation, assembly, which includes inspection and packaging. All three types of book cases require 0.4 hours of assembly time each, but the machining operations have different processing times, as shown in the following table, in hours per unit: Each machine is available 150 hours per month, and the current size of the assembly department provides capacity of 600 hours. Each bookcase produced yields a unit profit contribution as follows. What are the optimal production quantities for the company? Standard Narrow Wide Trimmer 0.2 0.4 0.6 Shaper 0.6 0.2 0.5 Standard Narrow Wide Profit $8 $6 $10 Profit=production quantity*profit per unit