Vegan Christmas Cake

• 1/2 citron
• 1/4 candied citron
• 1/4 candied cherries
• 475 gr candied pineapple
• 475 gr raisins
• 250 gr flour
• 220 gr brown sugar
• 200 gr sugar (white)
• 140 gr shortening
• 120 ml grapefruit juice