Fat-free Pineapple Upside-down Cake

• 9 round cake with cooking spray (pan)
• 7 pineapple rings (canned)
• 7 maraschino cherries cake
• 2 egg whites
• 200 gr granulated sugar
• 160 ml nonfat milk
• 130 gr all purpose flour
• 110 gr corn syrup (light)
• 55 gr brown sugar
• 40 gr corn syrup (light)