Gabriella and Roberto have adjusted gross incomes of $46,500 and $32,700, respectively. Assume that each person takes one exemption and the standard deduction. Answer parts (a) through (c) below. Married Filing Tax Rate Single Jointly 10% up to $8.925 up to $17.850 15% up to $36.250 up to $72,500 25% up to $87,850 up to $146.400 28% up to $183,250 up to $223,050 Standard $6100 $12.200 Deduction Exemptions (per $3900 $3900 person) a. Calculate the tax owed by the couple if they delay their marriage until next year so they can each file a tax return at the single tax rate this year. The couple owes $ (Simplify your answer. Round to the nearest dollar as needed.) b. Calculate the tax owed by the couple if they marry before the end of the year and file a joint return. The couple owes $ (Simplify your answer. Round to the nearest dollar as needed.) c. Does the couple face a "marriage penalty if they marry before the end of the year? O O No Yes