how do I calculate and find correct amount on the 2019 tax form 1040 line 12a, please?

Note: This problem is for the 2019 tax year. Daniel B. Butler and Freida C. Butler, husband and wife, file a joint return. The Butlers live at 625 Oak Street in Corbin, KY 40701 . Dan's Social Security number is 111-11-1112, and Freida's is 123-45-6780. Dan was born on January 15, 1968, and Freida was born on August 20,1969. During 2019, Dan and Freida furnished over half of the total support of each of the following individuals, all of whom still live at home: a. Gina, their daughter, age 22, a full-time student, who married on December 21, has no income of her own and did not file a joint return with her husband, Casey, who earned $10,600 during 2019. Gina's Social Security number is 123-45-6788. b. Willie, their son, age 19, graduated high school in May 2019 . He is taking a leap year and will not begin income of $600 in 2019. Willie's Social Security number is 123-45-6787. c. Ben, their oldest son, age 26 , is a full-time graduate student with gross income of $5,200. Ben's Social Security number is 123456786. Dan was employed as a manager by WJJJ, Inc. (employer identification number 11-1111111, 604 Franklin Street, Corbin, KY 40702), and Freida was employed as a salesperson for Corbin Realty, Inc. (employer identification number 98-7654321, 899 Central Street, Corbin, Ky 40701). Selected information from the W2 forms provided by the employers is presented below. Dan and Freida use the cash method. Freida sold a house on December 30,2019 , and will be paid a commission of $3,100 (not included in the $86,000 reported on the W-2) on the January 10 , 2020, closing date. Other income (as reported on 1099 Forms) for 2019 consisted of the following: The $382 from First Bank an original issue discount. Dan and Freida collected $16,000 on the First Bank CD that matured on September 3019 . The was purchased on October 1,2017 , for $14,995, and the yield to maturity was 3.3%. Dan participated on a game show and won a cash prize of $7,000. In addition to the above information, Dan and Freida's itemized deductions included the following: Sales tax from the sales tax table is $1,860. Dan and Freida made Federal estimated tax currency, and they do not wish to contribute to the Presidential Election Campaign. The Kentucky income tax rate is 4%. Required: Compute Dan and Freida's 2019 Federal income tax payable (or refund due). Use Form 1040 and Schedules 1,3 , B and the Qualified Dividends and Capital Gain Tax Worksheet to complete this tax return. If there is a tax overpayment, the Butlers would like a refund. If additional tax is due, assume underpayment penalty applies. It may be necessary to complete the tax schedules before completing 1040. - Enter all amounts as positive numbers. - If an amount box does not require an entry or the answer is zero, enter "0". - When computing the tax liability, do not round your immediate calculations. - If required, round your answers to the nearest dollar. - Make realistic assumptions about any missing data. - Use the Tax Rate Schedule provided. Do not use the Tax Tables. Form 1040 Standard Deduction Someone can claim: None Instructions Form 1040 Schedule 1 Schedule 3 Schedule B Qualified Dividends and Capital Gain Tax Worksheet 2019 Tax Rate Schedules Form 1040 BAA ror VIScIosure, Privacy Act, and raperwork Keducton Act Notce, see separate instructons