Sam Malone, single and a dependent of his parents, is not employed. His only income is $20,000 from the performance of lawn services for the 70 year old man down the street. Sam has $9,000 of itemized deductions for the year. What is Sam's taxable income? a. $6,150 b. $4,300 c. $11,000 d. $18,750 e. None of the above