CSU, Inc., is a calendar year S corporation. CSU's Form 1120S shows nonseparately stated ordinary income of $120,000 for the year. Taewon owns 30% of the CSU stock throughout the year. The following information is obtained from the corporate records.

Tax-exempt interest income

$4,500

Salary paid to Taewon

(78,000)

Charitable contributions

(9,000)

Dividends received from a non-U.S. corporation

7,500

Short-term capital loss

(9,000)

Depreciation recapture income

16,500

Refund of prior state income taxes

7,500

Cost of goods sold

($108,000)

Long-term capital loss

(10,500)

Administrative expenses

(27,000)

Long-term capital gain

21,000

Selling expenses

(16,500)

Taewon's beginning stock basis

48,000

Taewon's additional stock purchases

13,500

Beginning AAA

46,500

Taewon's loan to corporation

30,000

Compute Taewon's stock basis, showing the calculation, before any distribution. Taewon's stock basis check figure $101,10. Calculate CSU's ending AAA balance, showing the calculation, before any distribution.