Just Desserts buys cheesecakes from General Bakeries at $35.80 per cheesecake. It then cuts each cheesecake into 16 slices and sells them to customers at $6.50 per slice. Calculate the rate of markup on cost and the rate of markup on selling price. (Do not round intermediate calculations and round your final answers to 1 decimal place.)

Markup on cost	%
Markup on selling price	%