In manufacturing, depreciation of office machine is charged to

Depreciation of office machines in manufacturing is charged to the profit and loss account.
Depreciation is a method used to allocate the cost of an asset over its useful life. Office machines, such as computers, printers, and photocopy machines, are considered as fixed assets. These assets gradually lose their value and become less useful over time due to wear and tear or technological advancements.
When manufacturing companies calculate their annual expenses, they include the depreciation of their office machines as an expense in the profit and loss account. The profit and loss account records all the revenues and expenses incurred by a company during a specific period, such as a financial year.
By charging the depreciation of office machines to the profit and loss account, manufacturing companies accurately reflect the decrease in value of these assets over time. This allows them to calculate their net profit or loss for the period more accurately.
It is important to note that while depreciation is charged to the profit and loss account, the accumulated depreciation of office machines is shown as a contra-asset on the balance sheet. The balance sheet provides a snapshot of a company's financial position at a specific point in time, showing its assets, liabilities, and shareholders' equity.
In summary, the depreciation of office machines in manufacturing is charged to the profit and loss account, reflecting the decrease in value of these assets over time and accurately calculating the net profit or loss for the period.