Page 219 - TSMC 2022 Annual Report

customers by different risk levels with consideration of factors of historical loss ratios and customers’ financial conditions, competitiveness and business outlook. For accounts receivable past due over 90 days without collaterals or guarantees, the Company recognizes loss allowance at full amount.
Aging analysis of notes and accounts receivable
Not past due Past due
Past due within 30 days
Past due over 31 days Less: Loss allowance
December 31, 2022
$ 205,053,142
24,516,277 518,114
(331,646) $ 229,755,887
December 31, 2021
$ 191,740,045
6,186,814 6,270
(347,020) $ 197,586,109
All of the Company’s accounts receivable classified as at FVTOCI were not past due.
Movements of the loss allowance for accounts receivable
Balance, beginning of year Provision (Reversal)
Effect of exchange rate changes
Balance, end of year
Years Ended December 31
2022
$ 347,020 (15,449)
75 $ 331,646
$
$
2021
246,626 100,408
(14) 347,020
For the years ended December 31, 2022 and 2021, the changes in loss allowance were mainly due to the variations in the balance of accounts receivable of different risk levels.
12. INVENTORIES
Finished goods
Work in process
Raw materials
Supplies and spare parts
December 31, 2022
December 31, 2021
$ 32,562,750 137,700,402 11,111,122 11,728,047
$ 193,102,321
$
54,818,402 125,661,912 20,389,115 20,279,719
$ 221,149,148
Write-down of inventories to net realizable value and reversal of write-down of inventories resulting from the increase in net realizable value were included in the cost of revenue during reporting period. The amounts are illustrated below:
Years Ended December 31 2022 2021
Inventory losses $ 4,689,112 $ 533,034
- 33 -
- 33 -