We use pv formaule in excel to find the present value of costs
NPV= -initial investment+present value of profits-present value of support costs
present value of profits: =pv(rate,nper,pmt,fv,type)
=pv(6%,10,1000000,0,0)=7360087.05
present value of support costs= 100000/6%=1666666.67
NPV=(-5*10^6)+7360087.05-1666666.67
=693420.38
Since NPV is positive they should accept.
If i=2%
NPV=(-5*10^6)+pv(2%,10,-1000000,0,0)-(100000/2%)
=-1017414.99 here we should not accept since npv is negative
if i=11%
NPV=(-5*10^6)+pv(11%,10,-1000000,0,0)-(100000/11%)
=-19858.90 here we should not accept since npv is negative
b)It will have 2 IRR since there is sign chnage twice
c)If the IRR is higher than cost of capital then we should go ahead with the investment
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