Darron Co. was formed on January 1, 2018, as a wholly-owned foreign subsidiary of a U.S. corporation. Darron's functional currency was the stickle (). The following transactions and events occurred during 2018: Jan 1: Darron issued common stock for 1,000,000; Jun 30: Darron paid dividends of 20,000; Dec 31: Darron reported net income of 80,000 for the year. Exchange rates for 2018 were: Jan 1: 1=$0.48; June 30: 1=$0.46; Dec 31: 1=$0.42; and weighted average rate for the year: 1=$0.44. What exchange rate should have been used in translating Darron's revenues and expenses for 2018?