Calculate the total expenses for the month of February 2016, given the following transactions.
1. Paid salaries of $20 000; $5000 related to work carried out in January and $ 15 000 related to February work.
2. Paid commission expenses of $10 000 in February. The commission related to January sales.
3. Paid rent for the month of February of $3000 on 9 February.
4. Received a bill for $750 from a plumber for repair work done on 25 February. This will be paid next month.
5. Paid an $80 000 deposit on a block of land.