I'll give thumbs up please answer it ASAP

4. The following piece-wise function summarizes the tax levied by the United States government on the adjusted gross income earned by married taxpayers filing jointly in 2020. i 0.10x if x 622,050 Calculate the income tax levied by the United States government on a married couple filing jointly in 2020 on a taxable income of a. $386,120. b. $87,040. 5. The following piece-wise function summarizes the tax levied by the United States government on the adjusted gross income earned by a head of household in 2020. 1 0.10x if x 311,025 Calculate the income tax levied by the United States government on an unmarried taxpayer in 2020 on a taxable income of a. $276,990. b. $63,920.Suppose you have an outstanding balance in your credit card account of $211.85 at the beginning of the month. During the month, you make the following transactions: Day Amount Type Day Amount Type $36.50 Purchase 20 $45.65 Purchase $11.03 Return $89.10 Purchase $91.34 Purchase 23 $99.21 Payment $91.08 Purchase $77.09 Payment 10 $15.56 Purchase 24 $7.78 Purchase $28.92 Purchase $88.45 Purchase $87.73 Return 29 $82.79 Return 16 $464.28 Payment 30 $42.92 Purchase Assume the month has 30 days. Use an interest rate of 1.85% per month. Use a Microsoft Excel spreadsheet to a. find the day during the month when your end-of-day balance was the least. 1. day 2. balance b. find the day during the month when your end-of-day balance was the greatest. 1. day 2. balance c. calculate the balance on your account at the end of the month before the bank adds interest. d. calculate the total dollar amount of all the purchases you placed on your account during the month. e. calculate the total dollar amount of all the payments you placed on your account during the month. f. calculate the total dollar amount of all the returns you placed on your account during the month. g. calculate the total dollar amount of the thirty end-of-day balances on your account for the month. h. calculate the net change to your balance over the course of the month. i. calculate the average daily balance on your account for the month. j. calculate the interest the bank will charge on your account for the month. k. calculate the new balance on your account at the end of the month.1 - x +8 if x 17,000 Calculate the income tax levied by the Virginia government in 2020 on an income of a. $23,840 b. $11,350 3. The following piece-wise function summarizes the tax levied by the United States government on the adjusted gross income earned by unmarried taxpayers in 2020. i 0.10x if x 518,400 Calculate the income tax levied by the United States government on an unmarried taxpayer in 2020 on a taxable income of a. $355,210. b. $31,090