I don’t understand this and I’ve been trying to figure it out but I’m lost

Answer: (C) $104
Step-by-step explanation:
The Annual Expenses are:
Total = $1250
There are 12 months in a year so divide the Annual Expense by 12:
[tex]\dfrac{1250}{12}[/tex]
1 0 4
12 ) 1250
-12↓↓
5↓
- 0↓
50
- 48
2 ← The remainder is less than one-half so don't round up