Pumpkin Apple Muffins

3/4 cup sugar

1/2 cup light brown sugar

1 teaspoon baking powder

1/2 teaspoon salt

1/2 teaspoon cinnamon

1/4 teaspoon nutmeg

1/8 teaspoon cloves

2 large eggs or 4 egg whites

1-1/4 cups canned pumpkin

1/2 cup vegetable or canola oil

1 teaspoon pure vanilla extract

3 cups granny smith apples, peeled and diced Topping :

1/4 cup light brown sugar, packed

2-1/2 tablespoons all purpose flour

1 teaspoon cinnamon

1 tablespoon unsalted butter, cold and diced