Portia Grant is an employee who is paid monthly. For the month of January of the current year, she earned a total of $8,938. The Federal Insurance Contributions Act (FICA) tax for social security is 6.2% of the first $137,700 earned each calendar year and the Federal Insurance Contributions Act (FICA) tax rate for Medicare is 1.45% of all earnings. The Federal Unemployment Taxes (FUTA) tax rate of 0.6% and the State Unemployment Taxes (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 $1,483.07. What is the total amount of taxes withheld from the Portia's earnings? (Round your intermediate calculations to two decimal places.)

In a study of the relationship between socio-economic class and unethical behavior, 129 university of california undergraduates at berkeley were asked to identify themselves as having low or high social-class by comparing themselves to others with the most (least) money, most (least) education, and most (least) respected jobs. they were also presented with a jar of individually wrapped candies and informed that the candies were for children in a nearby laboratory, but that they could take some if they wanted. after completing some unrelated tasks, participants reported the number of candies they had taken. it was found that those who were identiď¬ed as upper-class took more candy than others. in this study, identify: (a) the cases, (b) the variables and their types, (c) the main research question, (d) identify the population of interest and the sample in this study, and (e) comment on whether or not the results of the study can be generalized to the population, and if the ď¬ndings of the study can be used to establish causal relationships.