please show work

7. Salvador Dali was a 20th century Spanish surrealist painter (he died in 1989). His paintings are weirdl If you even see one, you'll probably think, "Hey, this guy must have been smoking some really potent stuff!: In 2016, one of his paintings sold for $22 million. If one year later, 2017, that same painting sold for $24,5 million, what would be the one year rate of return. Please show all work including the appropriate formula