Encik Alif runs a small shop with milk products. He buys his products for RM10 and sell them for RM15. The product is not possible to store, any unsold item is scrapped at the end of the day. The scrap value is RM2 per product. Supplies of product to the shop is made before the number of sales is known, however Encik Alif has records about last 150 days sales. Construct a payoff table to represent the above scenario. All the probabilities must be included.