Question:

Kellye a teacher, volunteers for eight hours per week at a school for high-risk children, a qualified charitable organization. Kellye's normal rate for teaching is $30 per hour. Kellye's out-of-pocket costs in 20X4 were $250 for supplies, and she spent $20 each week in transportation getting to-and-from the school. Kellye had no cash contributions to charity in 20X4. If Kellye volunteered every week in 20X4, what is her charitable contributions deduction?

a. $0

b. $250

c. $1,290

d. $13,770

Aaron, age 55, has an adjusted gross income in 20X4 of $30,000. His expenses are as follows:

Non-prescription medicine	$100
Prescription medicine	500
Doctor visits	500
Weekly meal preparation for a diet plan	2,000
Removal of a benign facial mole	400
Contact lenses	500
Eyeglasses	200
Dental services	300

What is Aaron's itemized deduction for medical expenses?

a. $0

b. $1,500

c. $2,000

d. $4,500

Which of the following deductions for taxes paid may be taken in the same year?

a. Real estate taxes, state income taxes, state sales taxes

b. Real estate taxes, property taxes, state income taxes

c. Property taxes, state income taxes

d. Real estate taxes, property taxes, state income taxes, state sales taxes

Zunilda is a 77-year-old individual with an AGI of $25,000 in 2014. She began living in a nursing home in 2014 upon the recommendation of her primary care physician in order to receive medical care for a specific condition. She had the following unreimbursed expenses in 2014:

Expense	Amount
Nursing home health care costs	$5,000
Nursing home meal and lodging costs	8,000
Prescription drugs	1,500

As a result of these unreimbursed expenses, how much may Zunilda deduct from AGI on her 2014 tax return? Assume Zunilda elects to itemize deductions.

a. $12,000

b. $4,000

c. $12,625

d. $4,625

PS. I already had the answers with these questions but I do not know how it was derived. Thank you.