please help solve

1. II =$210,000 year 1 to 5 cash flow $70,000,$70,000,$70,000, $70,000, and $70,000. Calculate the years payback. 2. II =$450,000 year 1 to 6 cash flow is $120,000,$140,000, $180,000,$200,000,$240,000 and $280,000. Calculate the years payback. 3. II =$800,000 year 1 to 4 cash flow is $300,000,$340,000, $380,000, and $400,000. Calculate the years payback. 4. II =$650,000 year 1 to 5 cash flow is $160,000,$200,000, $240,000,$280,000, and $320,000. Calculate the years payback. 5. II =$1,400,000 year 1 to 4 cash flow is $380,000,$500,000, $600,000, and $740,000. Calculate the years payback. 6. II =$1,600,000 year 1 to 5 cash flow is $380,000,$440,000, $480,000,$600,000, and $700,000. Calculate the years payback. 7. II =$950,000 year 1 to 4 cash flow is $340,000,$420,000, $500,000, and $600,000. Calculate the years payback. 8. II =$480,000 year 1 to 5 cash flow is $150,000,$170,000, $190,000,$210,000, and $240,000. Calculate the years payback 9. II =$340,000 year 1 to 5 cash flow $120,000,$150,000,$200,000, $300,000, and $350,000. Calculate the years payback. 10. II =$480,000 year 1 to 4 cash flow is $160,000,$180,000, $200,000, and $300,00. Calculate the years payback. 11. II =$650,000 year 1 to 4 cash flow is $310,000,$330,000, $360,000, and $400,000. Calculate the years payback. 12. II =$920,000 year 1 to 5 cash flow is $240,000,$260,000, $340,000,$360,000, and $500,000. Calculate the years payback. 13. II =$380,000 year 1 to 4 cash flow is $60,000,$80,000, $160,000, and $150,000. Calculate the years payback. 14. II =$1,600,000 year 1 to 5 cash flow is $445,000,$560,000, $650,000,$750,000, and $800,000. Calculate the years payback. 15. II =$850,000 year 1 to 4 cash flow is $250,000,$360,000, $420,000, and $500,000. Calculate the years payback. 16. II =$220,000 year 1 to 5 cash flow is $50,000,$60,000,$80,000, $110,000, and $125,000. Calculate the years payback