Solve each of the following word problems. 1. By selling goods for Birr 175.50, a merchant made a profit of 17%. How much did the goods cost him? 2. Adealer gained a 10% profit by selling an article for Bir 330.00. what was the original price of the article? 3. A trader bought a TV set for Birr 2000 and sold it at a loss of 5-%. What was the selling price? 4. Girma bought 200 eggs for Birr 50 and sells them for Birr 0.30 each. Did he get profit? If so find his profit percenatage. 5. A company earned a profit of Birr 880,000 last year and Birr 970,000 this year. What is the percent change in a profit between the two years?