The police were called to conduct a well-check on a gentleman who did not show up for his new job. They found that the man had died in his apartment. Upon informing his employer, they discovered that the position paid $3,000 for every month worked with 30 or fewer days and $3,500 for every month worked with 31 days. The man was single with no dependents and his retirement plan was set for $200 per month. Assuming today is April 1, what is his taxable income at the end of December