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organisation was not to invest in this project the money would have been channelled to the federation account and budgeted to execute other projects in other sectors or Nigerian ministries. However, PPMC has the authority to use any reasonable amount to improve its environmental performance or execute any viable project that will be beneficial to the organisation. Finally, the calculation resulted in a less discount rate where NPV1 became positive and a greater discount rate where NPV2 remain negative and IRR fell in between the two discount factors (ACCA, 2008). The 3 investment appraisal techniques were fully utilised to determine the project's viability. This has proven that the project is economically viable (Mclaney, 1994). In view of this, the investment appraisal is affordable and worthy of acceptance. Moreover, the purchase of the electric cars is the best option, as it will not only reduce carbon emissions but will stop the emissions from the old vehicles completely, thereby upgrading the company's image as well as enhancing its overall environmental performance.

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