Required: 1. How manvlnr machinehours does each pair of manufactured inIine skates need? Each pair of snowboard bindings? If Dmnisport produces only 12,000 pairs of snowboard bindings, what would be the cost of unused manufacturing capacity? 2. Calculate the variable manufacturing overhead rate per machinehour. 3. Calculate the contribution margin per unit for manufactured inline skates, snowboard bindings, and purchased inIine skates. Calculate the contribution margin per machinehour for the two manufactured products. 4. Calculate the quantitv of each product that Omnisport should manufacture and sell or purchase and sell to maximize operating income. What is the maximum operating income Omnisport can earn