A cashier at Worst-Buy earns $1200 monthly. During the first week of the month, he showed up to work late and his pay was decreased by 5%. The following week, he broke a company equipment and an additional 10% was removed from his pay. In the third week, the company rewarded him 2% bonus for a great contribution at work, and an additional 5% was given in the last week for his overtime hours throughout the month. What is his final pay at the end of the month?