Management at Generic Chemical Company is evaluating its product mix in an attempt to maximize profits. For the past 2 years, Generic has produced 4 products and all have large markets in which to expand market share. Heinz Bexer, Generics controller, has gathered data from current operations and wants you to analyze them for him. Sales and operating data are as follows: Product Product Product Product AZ1 BY7 CX5 DW9 Variable production cost $71,000 $91,000 $91,920 $97,440 Variable selling costs $10,200 $5,400 $12,480 $30,160 Fixed production costs $20,400 $21,600 $29,120 $18,480 Fixed administrative costs $3,400 $5,400 $6,240 $10,080 Total sales $122,000 $136,000 $156,400 $161,200 Units produced and sold $85,000 $45,000 $26,000 $14,000 Machine hours used $17,000 $18,000 $20,800 $16,800 Generics scarce resource, machine hours, is being used to full capacity. Required 1. Compute the machine hours needed to produce one unit of each product 2. Determine the contribution margin per machine hour for each product 3. Which product line(s) should be targeted for market share expansion