If a truck company ABC has an initial capital outlay of $22,500, WACC of 10%, and the following 5 possible cash flow patterns, depending upon the number of years it operates its truck business,

If operating for only one year: CF₀ = -22500, CF₁ = 23750

If operating for 2 years: CF₀ = -22500, CF₁ = 6250, CF₂ = 20250

If 3 years: CF₀ = -22500, CF₁ = 6250, CF₂ = 6250, CF₃ = 17250

If 4 years: CF₀ = -22500, CF₁ = 6250, CF2 = 6250, CF3 = 6250, CF₄ = 11250

If 5 years: CF₀ = -22500, 6250 each year for 5 years

In which year should the Company abandon its operation, so the companys NPV will achieve the highest value?