Coca cola Company in Ramallah offers a premium plan for its customers beginning 1/1/2019. The offer was for 100 NIS the customer received one coupon. Customers may exchange every 50 coupon and 30 Nis for a camera. The company pays 50 NIS for each camera and estimates that 70% of the coupons given to customers will be take the benefit 60% in the following year and 40% next following year. The results of the premium plan for the years 2019 and 2020 are as follows (assume all purchases and sales are for cash): Sales 900,000 Purchases (cameras) 2020 2019 11,200,000 10, 3500000 3270000 2008000 Premium liabilities(31/12) Required: Journalize the above economic events 2019,2020?