2. (a) A loaf of bread costs 1.00 in the year t-o. If the cost of bread remains constant in constant dollars but the inflation rate is 12% per year, what is the cost of a loaf of bread in Then dollars in 10 years? (b) The initial cost of a machine is 20,000. The annual maintenance cost is 4000 and operating costs are 2000 per year. The salvage value of the equipment in 20 years is 4000. If the interest rate is 6% what is the Present Worth of this system