What are the examples of energy careers select three options​

Costs of production that do not change when output changes. question 17 options: total revenuefixed incometotal costfixed cost

Chuck, a single taxpayer, earns $80,750 in taxable income and $30,750 in interest from an investment in city of heflin bonds. (use the u. s. tax rate schedule.) (do not round intermediate calculations. round your answers to 2 decimal places.)

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?