You are given the following facts about a 50% owner of an S corporation:

Increase in AAA

$32,000

Increase in OAA

$6,300

Payroll tax penalty

$2,140

Ending PTI

$6,125

Beginning stock basis

$36,800

Tax-exempt interest income

$4,800

Insurance premiums paid (nondeductible)

$2,700

Stock purchases

$22,000

Prepare her ending stock basis