\( \frac{2}{9} \) of salary = $800. Use the unitary method to find the whole.<br><br>
&bull; \( \frac{2}{9} \) → $800<br>
&bull; \( \frac{1}{9} \) → $800 ÷ 2 = $400<br>
&bull; \( \frac{9}{9} \) (whole salary) → $400 × 9 = $3,600<br><br>
Check: \( \frac{2}{9} \times 3600 = 800 \). ✓<br><br>
Final Answer: $3,600