Coffee-coconut Muffins

• 2 eggs
• 220 gr all purpose flour
• 120 gr brewed coffee strong
• 110 gr margarine (solid)
• 110 gr packed brown sugar (light)
• 100 gr sugar
• 80 ml milk
• 60 gr black walnuts (chopped)
• 60 gr coconut (dried)
• 14 gr baking powder