C-4 The initial cost of smog control is $10,000 and after 10 years of useful life it needs to be discarded with as hazardous substance with a dismantling cost of $2000. The maintenance costs are as below;- Year 1 2 3 4 5 6 7 8 9 10 O/M costs 100 125 150 175 200 225 250 275 300 325 The smog control board is providing the financial support for everything (cost+10 yrs of maintenance] How much should they pay to the firm now? Interest rate 6%