8) Based upon a monthly payment, which one is a better deal on the same $9000 car. a 9% interest on the full amount for 48 months, compounded monthly b. A $1000 rebate/discount and 15% interest on the remaining amount for 48 months compounded monthly Answer: (5 points) 9) Find the exact payback period for the following project without interest: First cost $10.000. Income $3.000/year, Salvage Value $4,000. Useful life 10 years. Maintenance cost $500 in year 1, increasing by S200/year. Show yearly cash flow. Answer (5 points)