How is "indirect labour" defined and classified in cost accounting?

Test yourself: pick an answer

• A)Labour that can be readily charged to a specific cost unit and is part of prime cost.
• B)Labour that cannot be readily charged to a specific cost unit and is treated as part of factory overheads.
• C)Administrative staff salaries that are charged directly to the cost of goods sold.
• D)Overtime premium paid to direct workers specifically requested by a customer.