For the tax year , GBH Partnership reported $ 45,000 net ordinary income , $6,000 interest, $800 charitable contributions and $18,000 179 deduction. Pam is a general prtner who owns a 35% interest in GBH. In addition to her share of ordinary income ,she received a $12,000 guaranted payment and had $0 of distributions during the year . What is the amount of Pam's self-employment income from GBH?

A. $15,700

B. $21,450

C. $23,220

D. $27,700