Use the information above to answer the questions that follow.

$2\mathrm{.}1$ Explain the difference between Monthly Salary and Annual Salary.

$(4)$

$2\mathrm{.}2$ Write down two Non$-$Taxable incomes for the Personal Income Tax.

$(4)$

$23$ Write down the formula on how to calculate the Taxable Income.

$(2)$

$4$