While Karen was crunching the numbers on several possible new investments using capital budgeting techniques, her computer rebooted without saving her latest work. Oh$,$ the humanity! Her last saved file included the following information for four independent investing scenarios. Cost of initial investment for scenario $1$ is $5400,$ unknown for scenario $2,100000$ for scenario $3,198100$ for scenario $4.$ life of investment in years is unknown for scenario $1,5$ for scenario $2,5$ for scenario $3,$ unknown for scenario $4,$ salvage value at end of life $($equal to book value$)$ is $0$ for scenario $1,5000$ for scenario $2,$ unknown for scenario $3,$ and $10000$ for scenario $4.$ annual net operating cash flows is $740$ for scenario $1,9900$ for scenario $2,34600$ for scenario $3,$ and unknown for scenario $4.$ discount rate is $8\%$ for scenario $1,$ unkown for scenario $2,11\%$ for scenario $3,9\%$ for scenario $4.$ Tax rate is $22\%$ for scenario $1,30\%$ for scenario $2,$ unknown for scenario $3$ and $4.$ annual straight line depreciation expense is $450$ for scenario $1,4800$ for scenario $2,17920$ for scenario $3,$ and unknown for scenario $4.$ present value of salvage value is unknown for scenarios $1,2,$ and $3,$ and $4604$ for scenario $4.$ present value of depreciation tax shield is unknown for scenario $1,6066$ for scenario $2,$ and unknown for scenarios $3$ and $4.$ present value of net operating cash flows is unknown for scenarios $1,2,3,$ and $143059$ for scenario $4.$ arr is unknown for scenarios $1,2,4,$ and $\mathrm{.}1368$ for scenario $3.$ profitability index is unknown for all four scenarios. npv of investment cash flows is unknown for scenarios $1,2,3,(27883)$ for scenario $4.$ find the unknowns.