Data collection task for a cost of living survey - San Francisco

This is an offline data collection task for a cost of living survey. The purpose of the cost of living survey is to measure accurately the day-to-day living costs for executives (probably expatriate) and their families. It involves visiting supermarkets and other stores and recording up to 3 prices for specified items. For the purposes of this survey, you are to obtain prices of 25 grocery products from three different styles of shop: 1. A supermarket known for good products at reasonable prices. 2. A popular department store or supermarket in the mid-price range. 3. A prestigious specialised store or supermarket known for high quality goods at high prices. The collected data is to be entered in a SurveyMonkey questionnaire. A link to the questionnaire will be provided to selected freelancers. We also request you to take and upload photos of each product for which you have collected prices to back up the data.