Charlie and Cheryl Matson are both 66 years of age and married. Cheryl is blind, and Charlie continues to work, earning $68,000 in W-2 wages in 2020. Charlie and Cheryl have the following additional income: Interest income from bank account $2,000 Interest income from municipal bonds $3,100 2020 Social Security benefits received $16,000 LT capital gain from sale of Apple Stock $7,000 ST capital loss from sale of Nike Stock $3,500 The Matsons cannot itemize their deductions and take the permitted IRS standard deduction for 2020. Questions: 1) How much of the Social Security benefits are taxable (in $s) to the Matsons for 2020? 2) What is the Matsons Adjusted Gross Income (AGI) for 2020? 3) What is the Matsons Taxable Income for 2020? 4) What is the Matsons Income Tax Expense for 2020?