Marty and Cindy Are Married and Both Are Professors at a Local

Marty and Cindy are married and both are professors at a local college. They contribute money to various organizations each year and file a joint return. Their adjusted gross income for 2015 is $100,000. They contributed to the following organizations in 2015:
• $3,500 to the Sierra club
• $10,000 to the Red Cross
• $2,000 to a local political candidate
• $11,000 to cancer research foundation
• Donated clothing to Goodwill. (Marty purchased the items for $850, but the thrift shop value of the same items at a local second-hand store is equal to $60.)
How much can Cindy and Marty deduct as charitable contributions for the year 2015?

A) $26,560.
B) $26,500.
C) $25,710.
D) $24,560.