Answer:
c. purchase of raw materials and collection of any outstanding receivables from the sale of the product.
Explanation:
A manufacturer refers to an individual or business firm that typically engages in the production of finished goods and sells them to the consumers, in order to meet their demands.
Generally, a manufacturer through a combination of processes, tools and equipments, produce finished goods from raw materials and sells them to the consumers.
This ultimately implies that, the operating cycle of a manufacturer is the length of time between the purchase of raw materials from suppliers and collection of any outstanding receivables from the sale of the product to consumers.