The following activities occurred in 2019: performed advertising services on account, $55,000. received cash payments on account, $10,400. received deposits from customers for advertising services to be performed in 2020, $2,500. made payments to suppliers on account, $5,000. incurred $45,000 of operating expenses; $39,000 was paid in cash and $6,000 was on account and unpaid as of the end of the year. what is the balance in the cash account at december 31, 2019?

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?