The expenses and income of an individual are given in table form. Find the net monthly cash flow (it could be positive or negative). Assume salaries and wages are after taxes, that 1 month = 4 weeks and that 1 year = 12 months. Round your answer to the nearest dollar.

Income:

salary: $30,000/ year

jewelry sales: $250/month

expenses:

house payments: $1500/month

groceries: $100/week

household expenses: $320/month

car insurance: $400 semiannually

donations: $420/year