The phone taxes and fees in general are approximately $12.00 per month but it can vary slightly by city. There is a page during the order process where you can type in your city and it will give you the current estimate. Keep in mind those can change.
Yes, there is a Supplier Surcharge Recovery included in the taxes and fees that is on the broadband portion of $2.88.
The modem shipping and handling cost is $14.95 and there is a one time CA Use Tax which is currently $2.48.