In the calculation of depreciation, all of the following items are actually estimates except:

Useful life
Residual value
Historical cost
Salvage value
✅ The correct answer is C.
In the calculation of depreciation, all of the following items are actually estimates except Historical cost. A historical cost is a measure of value used in accounting in which the price of an asset on the balance sheet is based on its nominal or original cost when acquired by the company.

Bills receivable is a

Intangible fixed asset
Tangible fixed asset
Current asset
Investment
✅ The correct answer is C.
Bills receivable is a Current asset. Bills receivable is often used as an alternative term for accounts receivable but more specifically relates to amounts due to a business under bills of exchange.

A proforma invoice is sent by

Consignee to consignor
Consignee to debtors
Debtors to consignee
Consignor to consignee
✅ The correct answer is D.
A proforma invoice is sent by Consignor to consignee. A Pro-forma invoice is a document prepared by the consignor which is sent to the consignee along with the goods. It contains the details with respect to the quantity of goods sent, rates at which the goods are sent and other terms and conditions for sending the goods on consignment.

Difference of total of debit and credit side of the trial balance is transferred to

Suspense A/c
Difference A/c
P & L A/c
Trading A/c
✅ The correct answer is A.
Difference of total of debit and credit side of the trial balance is transferred to Suspense A/c. Suspense accounts are used when your trial balance is out of balance or when you have an unidentified transaction. The suspense account is a general ledger account that acts as a holding account until the error is discovered or the unknown transaction is identified.

A decrease in value of a fixed asset due to age, wear and tear is known as

Depreciation
Accumulated depreciation
Appreciation
Written Down Value (WDV)
✅ The correct answer is A.
A decrease in value of a fixed asset due to age, wear and tear is known as Depreciation. Depreciation is an accounting method of allocating the cost of a tangible asset over its useful life and is used to account for declines in value. Businesses depreciate long-term assets for both tax and accounting purposes.