The table to the right shows expenses and income for an individual. Find the net monthly cash flow $($it could be negative or positive$).$ Assume that salaries and wages are after taxes, and assume $1$ month $=4$ weeks.

$\backslash$table$[[$Income$,$Expenses$],[$Salary: $$\frac{2300}{?}$ month,$\backslash$table$[[$Rent: $$\frac{820}{?}$ month$],[$Groceries: $$\frac{90}{?}$ week$],[$Utilities: $$\frac{105}{?}$ month$],[$Health insurance: $$450$ semiannually$],[$Car insurance: $$480$ semiannually$],[$Gasoline: $$\frac{30}{?}$ week$],[$Miscellaneous: $$\frac{460}{?}$ month$],[$Phone: $$\frac{80}{?}$ month$]]]]$

The net monthly cash flow is $ $$

$($Round to the nearest dollar as needed.$)$