The Company has 2 offices.

Office 1 has a monthly rent costs of 1,000. The annual figures are compiled at the 15th of January. On January 11 a credit note is received for 500 for previous year, because of the good relation.

On the 31st of December invoice is received and paid for rent for January for 1,000.

Office 2 has one year contract, with the first 2 months rent free period. Monthly rent payment is 1,200.

What is the actual rent expense per month?