FIND THE WORDS

This is a theme puzzle with the subject stated below. Find the listed words in the grid. (They may run in any direction but always in a straight line. Some letters are used more than once.) Ring each word as you find it and when you have completed the puzzle, there will be 16 letters left over. They spell out the alternative theme of the puzzle. Supermarket shopping aisle apples apricots ask bargain biscuits butter carpark chat checkouts cheese clutter copha costly counter customer eggplant eggs fish frankfurt grapes hassle lemonade manager margarine oranges peanuts reductions refunds registers sale sausages shop specials