2. forecast by a survey of buying intentions. The processing of herbs (Ban Tom) want to plan the operations of the year. Need to forecast sales of processed products from herbs (Ban Tom) for planning choosing to explore the willingness of the market. The company enlisted personnel to interview the salt turmeric scrub plans to buy the company for future buyers. And distributors or send out questionnaires or telephone to ask them. Then they all come together. It has forecast peak sales of salt turmeric scrub .
the advantages: more accurate results if the answer to the real answer. And do not change in the future Forecast sales of the company's salt, turmeric scrub will be very accurate.