The expenses and income of an individual are given in table form to the right. Find the net monthly cash flow $($it may be negative or positive$).$ Assume that amounts shown for salaries and wages are after taxes and that $1$ month $=4$ weeks.

$\backslash$table$[[$Income$,$Expenses$],[$Salary: $$35,500$ year,House payments: $$1100$ month,Pottery Sales $$165/$ month Groceries: $$120$ week,Household expenses: $$115$ month, Health insurance: $$410$ month, Car insurance: $$590$ twice a year,Savings plan: $$25$ month,Donations: $$630$ year,Miscellaneous: $$495$ month

The net monthly cash flow is $