The firm is planning to expand into a new product. The firm prepared an investment project.

The investment period is three years. Investment cash outflows are $1,200,000$ TL in the first year, $1,500,000$ TL in the second year, $1,800,000$ TL in the third year. Operating period is $8$ years beginning from the fourth year of the project. Net cash flows in the fourth year is $500,000$ TL$,$ in the fifth year $800,000$ TL$,$ in the sixth year $1,100,000$ TL$,$ in the seventh year

$1,300,000$ TL$,$ in the eighth year $1,400,000$ TL$,$ in the ninth year $1,450,000$ TL$,$ in the tenth year $1,480,000$ TL$,$ in the eleventh year $1,780,000$ TL$.$ Residual receivables are $350,000$ TL$.$

Residual receivables are expected to be collected at the end of the second month of the twelfth year. Cost of capital is $12\%.$

Calculate payback period, discounted payback period, and net present value for this project.