Page 199 - TSMC 2019 Annual Report

Furthermore, in presenting the above sensitivity analysis, the present value of the defined benefit obligation has been calculated using the projected unit credit method at the end of the reporting period, which is the same as that applied in calculating the defined benefit obligation liability.
The Company expects to make contributions of NT$230,864 thousand to the defined benefit plans in the next year starting from December 31, 2019. The weighted average duration of the defined benefit obligation is 10 years.
20. GUARANTEE DEPOSITS
Capacity guarantee
Receivables guarantee
Others 230,481
$ 1,729,881
Current portion (classified under accrued expenses and other current
liabilities) $ 1,552,977 Noncurrent portion 176,904
December 31, 2019
December 31, 2018
$ 9,289,628 653,686 245,731
$ 10,189,045
$ 6,835,667 3,353,378
$ 1,499,400 -
$ 1,729,881
Some of guarantee deposits were refunded to customers by offsetting related accounts receivable.
21. EQUITY
a. Capital stock
Authorized shares (in thousands) Authorized capital
Issued and paid shares (in thousands) Issued capital
December 31, 2019
28,050,000 $ 280,500,000 25,930,380 $ 259,303,805
$ 10,189,045
December 31, 2018
28,050,000 $ 280,500,000 25,930,380 $ 259,303,805
vote and to receive
of employee stock
A holder of issued common shares with par value of NT$10 per share is entitled to dividends.
The authorized shares include 500,000 thousand shares allocated for the exercise options.
As of December 31, 2019, 1,065,122 thousand ADSs of TSMC were traded on the NYSE. The number
of common shares represented by the ADSs was 5,325,610 thousand shares (one ADS represents five common shares).
- 49 -