1) This document is an individual income tax return form (Form 1040EZ) for the year 2010 being filed by Sayaka Yoshikawa and Vivian Lu filing jointly.
2) According to the form, Sayaka reported $45,000 in wages as shown on her W-2 form. Vivian did not report any income.
3) After accounting for the standard deduction of $18,700 for a married couple filing jointly and personal exemptions, their taxable income was $35,650. Based on this, their total tax due was $7,438.