A manufacturing plant makes umbrellas. Mary noticed that the department producing umbrella handles for the assembly line was overproducing. She drew a square on the ground where the completed containers of umbrella handles were stored. Then she told the department manufacturing the umbrella handles that no handles could be produced until there was 1 container remaining in the square. What did Mary just implement

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?