Answer:
1. manufacturer
4. retailer
Explanation:
The manufacturer refers to a company that produces goods and services in a factory or plant for sale. The term manufacturer may also mean the owners of such a factory. A manufacturer converts raw materials to finished products and sells them for a profit. They are involved in a business.
A retailer is a business person who sells goods to consumers. Retailers buy from other businesses such as wholesalers. Large scale retailers such as supermarkets and departmental stores buy from manufacturers.
