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A campus wireless installation project costs GH¢ 36,000 and is expected to generate cash inflows of 11,200 annually for five years. Calculate the IRR. Your company has been presented with a new proposal to develop a new school management system. The cost of the project development is $500,000. The probability of successful development is projected to be 70%. If the development is unsuccessful, the project will be terminated. If it is successful, the developer must then decide whether to begin developing a completely new school management system or modify an existing school management system. If the demand for the new school management system is high, the incremental revenue for the school management system is $1,200,000, and the incremental revenue for the modified school management system is $850,000. If the demand is low, the incremental revenue for the new school management system is $700,000, and the incremental revenue for the modified school management system is $720,000. All of these incremental revenue values are gross figures, i.e., before subtracting the $500,000 development cost, $300,000 for the new school management system and $100,000 for the modified school management system. The probability of high demand is estimated as 40%, and of low demand as 60%.