Q 20.27: Liberty Bicycles currently sells unassembled bikes for $240 each. The variable production costs for each bike are $35 and the fixed production costs are $72. Liberty is thinking about selling the bikes fully assembled for $300 each. The variable costs for assembling one bike will be $18 and the fixed costs will be $31. Given these figures, Liberty will increase its net income per unit by ________ if it opts to assemble the bikes.