The Popular Computer store provides the following information to determine the cost in the periodic method: The physical inventory of merchandise carried out on December 31, 2017 resulted in 350 laptops. . During 2018, 12,500 laptops were purchased, however, only 12,250 entered the warehouse, since 250 were returned to suppliers for not meeting the required quality. At the end of 2018, a physical inventory was taken, the result of which was 360 laptops