Which of the following statements is TRUE of workgroup information systems? A. The users of workgroup information systems are defined by levels of security authorization. B. Workgroup information systems that support a particular business function are called personal information systems. C. Workgroup information systems that support a particular department are called enterprise information systems. D. Workgroup information systems that support a particular department are sometimes called departmental information systems.

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?