here's the mapping for the price of one of the item

So this is my problem. https://d2r1vs3d9006ap.cloudfront.net/s3_images/1138769/1_inline.jpg?1420400373 each column is derived from separate table. My problem is that, whenever i tried to mapped the list of products, the price of the products (retrieved from query) isn't appear, unless i remove the $...

Hello there. i'm quite new with this and i hope u can help me with my problem. https://d2r1vs3d9006ap.cloudfront.net/s3_images/1137407/collection_inline.jpg?1419925227 This is my collection. Now i want to create a search menu where i can select let say product milk and coke and then it' will sum up ...