Question 1188775
1. **Mrs. Hanna D. Solis's monthly gross income:**

Since Mrs. Solis is a private tutor and her basic salary is her only income, her monthly gross income is the same as her basic salary.

* Monthly gross income = ₱19,800.00

2. **Sales manager's monthly gross income:**

The sales manager's monthly gross income is the sum of her basic salary and her living allowance.

* Monthly gross income = Basic salary + Living allowance
* Monthly gross income = ₱20,700.00 + ₱3,000.00
* Monthly gross income = ₱23,700.00