some duties are for collecting information, sales and collecting bills. same as commercial assistant duties are to encourage sales by going door to door. for Example the duty of a commercial assistant in a Electric power supply company is to go to door to check the bill payment status.
Sales assistants greet customers as they enter, and assisting customers find what they are looking for. Other duties include ringing up sales, balancing cash register receipts with sales, stocking shelves, and keeping the area tidy.
A sales assistant supports sales and marketing managers by tracking, investigating, and reporting sales information; resolving problems. A sales assistant prepares sales presentations by compiling data.
The marketing assistant will perform whatever duties the marketing director asks him or her to perform. The marketing assistant may have projects of his or her own to complete or be asked to collaborate.
The duties and responsibilities of the sale assistant includes answering queries from customers, stocking the shelves with merchandise, getting involved in stock management and control, and help the shoppers find the products and goods that they are looking for.