Tesla is considering a $3,000,000 investment in new manufacturing technology. The project will depreciate at a rate of 15% annually, leaving book values of $2,550,000, $2,100,000, $1,650,000, $1,200,000, $750,000, $300,000, and $0 at the end of each year. Expected annual cash flows are $800,000, $900,000, $700,000, $600,000, $500,000, $400,000, and $300,000. The profits are projected at $200,000, $300,000, $100,000, $0, $-100,000, $-200,000, and $-300,000, resulting in ARR percentages of 6.67%, 14.29%, 4%, 0%, -4.76%, -10.53%, and -20%. The average profit is $0, with an average investment of $1,500,000, yielding an average ARR of 0%. The cumulative cash flows indicate a payback period of 5.5 years. The NPV, discounted at 12%, is calculated to be $180,000.

Requirements:

1. Determine the ARR, payback period, and NPV for the investment.
2. Discuss the project's potential financial benefits and drawbacks.
3. Provide a final recommendation on the investment decision.