8. ScramCo has purchased an instrument to measure tolerances in its production of jet engines. The instrument cost $30,000 and the installation costs were $3,000. The operating and maintenance costs for the first year are $2000 and they increase by $2000 every year. Use Excel to find the economic life of the instrument. Depreciation is 20% annually and the MARR is 8%. Paste a copy of the Excel output into your assignment for d2l. (5 marks)