Once-a-year inflation could be the change of the value amount of shopper products and companies between The existing month and the identical month of your preceding year. Month-to-month inflation will be the modify of the value stage involving The present month plus the former month.N?i b?t 48 gi? Chung tay ??y lùi v?n n?n t?i ph?m tr? hóa: Trác