The Lion Store is participating in a national promotion of Port-a-Vac vacuum cleaners. The lowest-priced vacuum cleaner is marked down 5.25 to a sale price of 64.74. The middle-priced vacuum cleaner is marked down from 129.99 to 115.99. The top-priced vacuum cleaner is marked down 30.00 from the regular price of 149.99. What is the markdown rate for each?
