Given that her annual expences are as follows: Loss of Interest $ 95 Renter’s Insurance $ 482 Electricity $ 1,975 Heating (gas) $ 1,235 Internet/Cable TV $ 1,053 Cell Phone $ 675 Total annual expenses $ 5,515
Thus, her average monthly expenses = $5,515 / 12 = $459.58
Add: montly rent $1,090
Therefore, her monthly cost is given by $459.58 + $1,090 = $1,549.58