Consider the $280 million the government has spent for the development of the F-35 in conjunction with other partner nations. A decision must be made about whether to select the F-35 or a different...

Consider the $280 million the government has spent for the development of the F-35 in conjunction with other partner nations. A decision must be made about whether to select the F-35 or a different airplane. The parliamentary budget committee has asked the defence department for an accounting of the costs related to the F-35 airplane. Explain how you will treat the $280 million with respect to the above two objectives of making a decision and accounting for costs.