Answer:
rent expense 200 debit
prepaid rent 200 credit
--to record expired rent--
Explanation:
Timeline:
<-----//-------//---------------------->
Jan 1st Jan31th
The amount paid is for six month of rent. So, 1,200 is the value of six month.
So each month is worth 1,200 / 6 = 200
Ad the end of the month we will reduce the prepaid and recognize the rent expense for January