• Project Alpha requires an immediate investment of $16,000 and an additional investment of $12,000 in three years. Net returns are estimated to be $8,000 after two years, $24,000 after four years, and $18,000 after seven years. Project Omega requires an immediate investment of $8,000, an additional investment of $12,000 after two years and $8,000 after six years. Net returns are estimated to be $6,800 annually at the end of each year for seven years. The cost of capital is 10%. 
• Required: Determine which project is preferable using the net present value criterion.