For 2019, Mrs. Lynn had adjusted gross income of $30,000. During the year, she contributed $9,000 in cash to her church, $10,000 in cash to qualified public charities, and a painting she has owned for 8 years with a fair market value of $16,000 and a $4,000 adjusted basis to her city's library. What is the amount of Mrs. Lynn's allowable charitable contributions deduction for the year?

A.18,000

B.19,000

C.30,000

D.35,000