Spectra Systoms manufactures an optical switch that it uses in its final product. The swich has the following manufacturing costs per unit Vew the coits. Vow the additional intomation. Prepare an outsourcing analysis to determine whether Spectra Systems should muke or buy the switch. (For the Difleronce column, use a minus sign or parentheses only when the cost of outsourcing exceeds the cost of making the switches in house.) Costs Additional Information Another company has offered to sell Spectra Systems the switch for $15.00 per unit if Spectra Systems buys the swith from the outside supplier, the idle manufacturing tacilities cannot be used for any oner purpose, yot none of the foed costs are avoidable