I want the exact steps of the solution with the exact explanation. And write all the arithmetic and verbal steps

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3. Calculate the euro rates of return on the following assets: a. A painting whose price rises from (200,000 to (250,000 in a year. b. A diamond whose price rises from (20 000 to E21 000 between 2014 and 2015.Calculate the euro rates of return on the following assets: A painting whose price rises from 6200,000 to 6250,000 in a year . A diamond whose price rises from (20 000 to 621 000 between 2014 and 201