please help

follows: 1. Assuming that the desired rate of return is 12%, prepare a net present value analysis for tech proposal. Use the present value of 51 table abeve. if recuiren, use the minus sigh to intirate a negative net present value. If required, round to the nearest dollar. 2. Determine a present value index foc each proposel If required, round your answers to two decinal places. 3. The has the largest present value index, Abhough has the largest set present value, it teturns kes prepent value per dollar invested than does the computer metwon , as reveaked by the present valut indexes, The presers volue index tor the