Concept:A factor is a wholesaler acting as an agent for a principal, buying or selling goods for a commission linked to the value of the transaction.
Explanation:The description points to a factor because this agent deals with goods on behalf of their owner and earns remuneration based on the transaction value.
A factor commonly handles goods in large quantities, arranges sales or purchases, and keeps proper accounts of all transactions for the principal.
A del-credere agent gives an extra guarantee for credit payment, which is not stated in the question.
A speculator assumes personal market risk and trades for his own account, so he is not an agent.
A commissioned agent is a broader paid representative, while a factor is the specific wholesale agent being described.
Answer:C. factor