1. **State the problem:** Calculate Seleponale's monthly UIF (Unemployment Insurance Fund) contribution based on a monthly gross income of 4278. 2. **Understand UIF contribution rules:** UIF contribution is typically calculated as 1% of the employee's gross monthly income, excluding any additional employer contributions. 3. **Calculate UIF contribution:** $$ \text{UIF contribution} = 1\% \times 4278 = 0.01 \times 4278 $$ $$ = 42.78 $$ 4. **Conclusion:** Seleponale's monthly UIF contribution is 42.78 (currency units).