Page 324 - TSMC 2022 Annual Report

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
$
(330,686) $ 41,311,836
December 31, 2022
December 31, 2021
40,353,856
1,268,778 19,888
$
(345,905) $ 45,900,297
44,056,424
2,188,337 1,441
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)
Balance, end of year
Years Ended December 31 2022 2021
$ 345,905 $ 243,710 (15,219) 102,195
$ 330,686 $ 345,905
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.
11. INVENTORIES
Finished goods
Work in process
Raw materials
Supplies and spare parts
December 31, 2022
December 31, 2021
$ 32,290,346 134,097,879 10,368,446 8,403,177
$ 185,159,848
$
52,318,299 120,893,772 19,750,618 15,320,206
$ 208,282,895
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 $ 4,613,077 $ 520,096
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