The difference between microeconomics and macroeconomics is that microeconomics deals with narrowly defined units and macroeconomics focuses on highly aggregated markets. microeconomics is normative, and macroeconomics is positive. microeconomics involves mathematical relationships, and macroeconomics is predominantly a verbal analysis. microeconomics deals with the principle of scarcity, and macroeconomics deals with the problem of poverty.

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?