A taxpayer's gross income for the taxable year includes his salary of $ 12,400; commissions of $ 27,750 and interest of $ 440. The adjustments to income that this taxpayer can make are the contribution of $2,000 to a retirement plan and a penalty of $ 126 for a withdrawal from that account. Calculate: A) The gross income of that taxpayer B) The taxpayer's adjusted gross income Find the missing items in the following tax return summary. a-Gross Income $ 42,685 b-Income adjustments $ 3,670 C- Adjusted Gross Income ? d- Deductions $ 8,978 e-Adjusted Gross Income minus Deductions ? f-Exemptions (4 x $ 3,100) $ 12,400 8- Taxable income