InteliSystems manufactures an optical switch that it uses in its final product. InteliSystems incurred the following manufacturing costs when it produced 70,000 units last year (Click the icon to view the manufacturing costs.) Read the requirements. offer outsi none Complete an incremental analysis to show whether InteliSystems should make or buy the switch. (Enter a "O" for any zero amount exceeds the cost to make) InteliSystems Incremental Analysis for Outsourcing Decision Vanable cost per unit Total vanable cost per unit Make Buy Unit Unit Difference