pre_text: ACCOUNTING POLICY We measure inventories, including wireless devices and merchandise for resale, at the lower of cost (determined on a weighted average cost basis for Wireless devices and accessories and a first-in, first-out basis for other finished goods and merchandise) and net realizable value. We reverse a previous writedown to net realizable value, not to exceed the original recognized cost, if the inventories later increase in value. EXPLANATORY INFORMATION Cost of equipment sales and merchandise for resale includes $2,496 million of inventory costs for 2019 (2018 – $2,515 million).
table: As at December 31 As at December 31
table: (In millions of dollars) 2019 2018
table: Wireless devices and accessories 380 399
table: Other finished goods and merchandise 80 67
table: Total inventories 460 466
question: Analyse this data from a financial earnings document. What is the increase/ (decrease) in Wireless devices and accessories from 2018 to 2019?