How is the following passage from a cause-and-effect essay organized?

Even if the bill is late, the date in the upper-right comer must be entered in the database. If the date of entry is accidentally entered instead of the bill
date, the accounting department will not be able to write a check for the bill. According to Ms. Garcia, the department manager, the date is essential
for tracking and paying bills.

point by point

by order of importance

subject by subject

by chronological order