You are planning to purchase equipment that costs Rs. 30,000 and is expected to last 12 years with a Rs. 3,000 salvage value. The annual operating expenses are expected to be Rs. 9,000 for the first 4 years but owing to decreased use, the operating costs will decrease by Rs. 400 per year for the next 8 years. MARR is 20%. Approximately what will the present worth of this investment be? Select the value closest to your answer Rs. 61,000 Rs. 67,000 Rs. 72,000 Rs. 75,000