What are the competitors doing

Marina Chinese Supermarket" and "99 Ranch" are the largest Chinese Supermarket in Chinese Society so that those two supermarkets compete always.
"Marina" supplies all different kind of food. such as at the first, deli food court includes Ding sung-Cantonese dessert,fry rice noodle, beef noodle, sweet pork,Peking duck,soy milk,roast beef,roast pig feet,roast baby pig etc. the second, there is a small restaurant which close to deli food area when customers finished their shopping they can eat breakfast, lunch or dinner there.The last, also there is Bakery store there,everyday it provides fresh bread, cake. curry, chicken and sweet pork pastries.
The owner wants to attract to people so that he supplies benefit to customers that is the more you buy food in "Marina" the more you get free deli food coupon, or Supermarket on sale .
"99 Ranch" supplies deli food court too includes Ding Sung,Taiwan desert, China desert the most food same as "Marina" but the only one different food is over rice with ground meat cooked by mixed with soy sauce.
Because the owner have pressure from the "Marian",at the first, he decides supplies free deli food coupon for customers. the second,he motivates to open franchise at different places. the third, he often held on for sale in supermarket to attract people.the last, sometimes, there is special price for specific goods and food, such as instant coffee, sea bass, fish,ground meat etc.
Both owners- "Marian" and "99 Ranch"- emphasize advertising such as: TV, Radio, flyers, magazines ,personal introduce, on sale ,and held on free food.
in order to meet their goal.