preheat oven to 325 grease and flour a 10" tube pan in a large bowl beat sugar, butter and shortening until fluffy add eggs one at a time, beating after each addition add lemon juice and extracts add flour and eggnog, beating well stir in coconut pour into prepared pan and bake for 1 hr 15 minsuntil done cool for 10 minutes turn out to a wire rack, cool completely for glaze, mix together the ingredients and drizzle over cake.