Write the next sentence in the following story.

How to do a monthly budget
Calculate your monthly income.
As a rule of thumb, it's best to budget by the month. So, you'll need to determine your monthly income.

OPT:
(A). In other words, if you look at your monthly income and total all your monthly expenses, then you'll divide your monthly income into two categories: monthly income and monthly income. Monthly expenses start out relatively simple and quite noticeable.
(B). Your monthly income can include any income earned over time (like rent or utilities) or income you've earned over the past year (like work). For example, you might have a monthly annual gross income of $45 , 000.
(C). This is the cost of living per month, minus the costs for child care, food for you and for your physical health. Your monthly income will depend on the means you choose to buy and the type of house you own.
(D). Remember to look at your take-home income, that is, what you get if/after taxes have been taken out. If you work hourly, multiply your hourly wage by the number of hours you work per week.. The answer should be
(D).