last year, mountain top, inc., purchased a coal mine at a cost of $900,000. the salvage value has been estimated at $100,000. the coal mine has an estimated 200,000 tons of available coal. a total of 70,000 tons were mined and sold during the current year.

Portia grant is an employee who is paid monthly. for the month of january of the current year, she earned a total of $8,388. the fica tax for social security is 6.2% of the first $118,500 earned each calendar year and the fica tax rate for medicare is 1.45% of all earnings. the futa tax rate of 0.6% and the suta tax rate of 5.4% are applied to the first $7,000 of an employee's pay. the amount of federal income tax withheld from her earnings was $1,391.77. what is the total amount of taxes withheld from the portia's earnings?