Answer: 18119.10
Explanation:
Shelly's commision in March will be calculated as:
= (3% × 95,900) + (3% × 129,650) + (3% × 378,420)
= (0.03 × 95900) + (0.03 × 129650) + (0.03 × 378420)
= 2877 + 3889.5 + 11352.6
= 18119.10
Her commission will be 18119.10