helo me with the rest of questions pls.

Mary Meadows, who is single, itemizes her deductions. The following were among Mary's cash expenditures during 2015: How much us Mary's standard deduction if she does not itemize? $6, 300 $6, 200 $6, 100 $5, 600 How much interest expense should Mary include in her schedule of itemized deductions for 2015 if she has $350 of investment income? $350 $450 $1, 040 $1, 400 How much should Mary include as taxes in her schedule of itemized deductions for 2015? $0 $1, 200 $3,000 $5, 200 How much should Mary include for political contributions in her schedule of itemized deductions for 2015? $0 $50 $100 $300 Edna Green, who is single, had an adjusted gross income of $35,000 in 2015. Edna contributed $500 to the alumni fund of State University in 2015, but did not itemize her deductions for 2015. How much can she deduct for contributions on her 2015 return? $0 $250 $300 $500 Gail and Jeff Payne are married and filed a joint return for 2015. In 2015, they paid the following doctors' bills for: Gail's mother, who received over half of her support from Gail and Jeff, but who does not live in the Payne household, and who earned $4, 600 in 2015 for baby-sitting $700 Their unmarried 26-year-old son, who earned $4, 500 in 2015, but was fully supported by his parents. He is not a full-time student 500 Disregarding the adjusted gross income percentage test, how much of these doctors' bills may be included on the Paynes' joint return in 2015 as qualifying medical expenses? $0 $500 $700 $1, 200